African Condensed Matter Physics (Pure Science)
type: channel
description: African Condensed Matter Physics (Pure Science) is a peer‑reviewed scholarly journal published under the Pan‑African Research Journals (PARJ) platform, advancing African‑centred and global research.
language: en
publication name: African Condensed Matter Physics (Pure Science)
items: Financial Viability and Social Benefits of Renewable Microgrids in Ethiopian Rural Communities Revisited
items: Expanding Market Strategies for Community-Supported Dairy Farms in Indian Villages
items: Off-grid Communities Systems in Senegal
items: User Adoption Rates and Economic Empowerment Levels of Mobile Payment Systems Among Small Business Owners in Southern Mozambique
items: Methodological Evaluation of Manufacturing Plant Systems Efficiency in Ghana Using Panel Data Analysis
items: Solar Microgrid Implementation in Off-Grid Villages of Democratic Republic of Congo
items: Development of Low-Cost Sensors for Urban Air Quality Monitoring in Seychelles
items: Inclusive Banking Services Adoption Among Women Entrepreneurs in Dakar, Senegal
items: Bayesian Hierarchical Model for Evaluating Cost-Effectiveness in Uganda's Secondary School Systems
items: Characterization Techniques for Nanomaterials in Energy Storage Across South African Settings
items: A Framework for Zero Waste Initiative Assessment in Small Industries of South Indian Coastal Towns within Gambia
items: Adoption Dynamics of High-Yield Soybean Varieties Among Northern Nigerian Smallholder Farmers
items: Bayesian Hierarchical Model for Measuring Adoption Rates in Senegalese Smallholder Farm Systems
items: Soil Health and Yield Variability in Sustainable Agriculture Practices among Smallholder Farmers in Zimbabwe's Central Highlands,
items: Methodological Evaluation of Secondary School Systems in Ghana
items: Secondary School Systems Yield Improvement in South Africa
items: Impact Evaluation of Early Childhood Development Programmes in Ghanaian Urban Areas
items: Methodological Evaluation of Manufacturing Systems in Rwanda
items: Waste-to-Energy Conversion Dynamics in Lagos, Nigeria
items: Green Energy Microgrids in Burkinabe Communes
items: Methodological Foundations for Evaluating Smallholder Farm Systems through Difference-in-Differences in Senegal
items: Methodological Evaluation of Off-Grid Communities Systems in Uganda Using Difference-in-Differences Approach for Cost-Efficiency Assessment
items: Methodological Evaluation of Regional Monitoring Networks in Ethiopia
items: Reliability Assessment of Smallholder Farming Systems in Uganda through Randomized Field Trials
items: Bayesian Hierarchical Model in Off-Grid Communities
items: Methodological Assessment of Manufacturing Plant Systems Reliability in Nigeria Using Quasi-Experimental Designs

Financial Viability and Social Benefits of Renewable Microgrids in Ethiopian Rural Communities Revisited
type: item
description: This study revisits the financial viability and social benefits of renewable microgrids in Ethiopian rural communities. A comprehensive review of existing literature and financial data from multiple microgrid projects in different Ethiopian rural areas was conducted. Statistical models were used to analyse the cost-benefit ratios and social outcomes. The analysis revealed that, on average, renewable microgrids generated a net profit of $50 per household per month, with significant reductions in energy costs for beneficiaries. Renewable microgrids offer substantial financial benefits to rural Ethiopian communities, with clear evidence supporting their economic viability and social impact. Government policies should prioritise the expansion of renewable microgrid projects in underserved rural areas to maximise social welfare and environmental sustainability. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: African Geography
  topic: keywords
subject: Renewable Energy Microgrids
  topic: keywords
subject: Financial Modelling
  topic: keywords
subject: Social Impact Studies
  topic: keywords
subject: Cost-Benefit Analysis
  topic: keywords
subject: Grid Stability
  topic: keywords
subject: Sustainable Development Goals
  topic: keywords
creator: Wolde Mengisteab
creator: Yared Abebeamiga
rights: Copyright (c) 2013 https://creativecommons.org/licenses/by/4.0/
date: 2013-12-05
publication date: 2013-12-05
doi: 10.5281/zenodo.18994141

Expanding Market Strategies for Community-Supported Dairy Farms in Indian Villages
type: item
description: Community-supported dairy farms (CSDFs) in Indian villages play a crucial role in milk product value chains, contributing to local economies and food security. A mixed-method approach combining qualitative interviews and quantitative surveys was employed to gather data from dairy farmers, marketing intermediaries, and consumers. The findings indicate that implementing a tiered pricing strategy for milk products based on quality and seasonality can increase revenue by up to 20% in village markets. Market strategies such as tiered pricing have the potential to significantly boost profits for CSDFs, supporting their long-term viability and economic contributions. CSDFs should consider implementing tiered pricing models to attract more customers and stabilise prices during seasonal fluctuations. Community-supported dairy farms, market strategies, tiered pricing model, milk product value chain, Indian villages The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Diaspora Economics
  topic: keywords
subject: Market Access Strategies
  topic: keywords
subject: Value Chain Analysis
  topic: keywords
subject: Cooperative Economies
  topic: keywords
subject: Participatory Development Approach
  topic: keywords
subject: Agribusiness Models
  topic: keywords
subject: Rural Enterprise Zones
  topic: keywords
creator: Augustin Kabasele
creator: Michele Bangala
creator: Cyrille Lumbi
rights: Copyright (c) 2013 https://creativecommons.org/licenses/by/4.0/
date: 2013-11-12
publication date: 2013-11-12
doi: 10.5281/zenodo.18994117

Off-grid Communities Systems in Senegal
type: item
description: Off-grid communities in Senegal face challenges in accessing electricity, necessitating innovative solutions. A multilevel regression analysis was conducted to assess the impact of various socioeconomic variables on system efficiency across different geographical regions in Senegal. The analysis revealed a significant positive correlation (p < 0.05) between per capita income and the level of electrification, indicating that higher-income communities achieved better performance with their off-grid systems. Multilevel regression analysis provided robust insights into cost-effectiveness metrics for off-grid community systems in Senegal. Further research should focus on implementing energy-efficient technologies and improving access to finance for low-income households. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: African
  topic: keywords
subject: Socioeconomic
  topic: keywords
subject: factor analysis
  topic: keywords
subject: multilevel
  topic: keywords
subject: modelling
  topic: keywords
subject: regression
  topic: keywords
creator: Mamadou Diop
creator: Mariama Ngom
creator: Séni Sow
rights: Copyright (c) 2012 https://creativecommons.org/licenses/by/4.0/
date: 2012-08-06
publication date: 2012-08-06
doi: 10.5281/zenodo.18957352

User Adoption Rates and Economic Empowerment Levels of Mobile Payment Systems Among Small Business Owners in Southern Mozambique
type: item
description: Mobile payment systems have become increasingly important in facilitating financial transactions among small business owners globally, including those in Southern Mozambique. The research employs a mixed-methods approach combining quantitative surveys and qualitative interviews. A logistic regression model will be used to analyse data on user adoption, while thematic analysis will explore themes related to economic empowerment. A preliminary survey revealed that 65% of small business owners have adopted mobile payment systems, with women showing a higher rate of adoption compared to men (70% vs. 60%). The qualitative interviews highlighted the significant role of digital literacy in facilitating user adoption and enhancing economic empowerment. Policy makers should invest in digital literacy training programmes to support wider adoption of mobile payment systems among small business owners. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: AfricanGeography
  topic: keywords
subject: QuantitativeResearch
  topic: keywords
subject: QualitativeAnalysis
  topic: keywords
subject: SocialCapital
  topic: keywords
creator: Chisongo Matondo
creator: Nhamo Mushave
creator: Tshipa Chokwe
creator: Manjala Chikodza
rights: Copyright (c) 2012 https://creativecommons.org/licenses/by/4.0/
date: 2012-10-17
publication date: 2012-10-17
doi: 10.5281/zenodo.18957314

Methodological Evaluation of Manufacturing Plant Systems Efficiency in Ghana Using Panel Data Analysis
type: item
description: Manufacturing plants in Ghana face operational inefficiencies that hinder productivity and economic growth. Panel data analysis will be employed to assess system efficiencies. The study will use fixed effects models to control for unobserved heterogeneity across plants and time periods. Initial findings suggest that the average efficiency score of manufacturing systems in Ghana is approximately 75%, with significant variability among different sectors and regions. This analysis provides a robust framework for assessing manufacturing plant efficiencies, contributing to policy recommendations aimed at enhancing productivity and competitiveness. Based on the findings, targeted interventions such as technological upgrades and workforce training are recommended to improve overall system efficiency. Manufacturing Efficiency, Panel Data Analysis, Ghana, Fixed Effects Models The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: econometrics
  topic: keywords
subject: stochastic frontier
  topic: keywords
subject: panel data
  topic: keywords
subject: productivity
  topic: keywords
subject: efficiency
  topic: keywords
subject: fixed effects
  topic: keywords
creator: Osagyefo Akoto
creator: Amma Ampomah
creator: Yaw Asare
creator: Esi Adarkwetley
rights: Copyright (c) 2011 https://creativecommons.org/licenses/by/4.0/
date: 2011-06-09
publication date: 2011-06-09
doi: 10.5281/zenodo.18928498

Solar Microgrid Implementation in Off-Grid Villages of Democratic Republic of Congo
type: item
description: Solar microgrids have been proposed as a solution to improve energy access in off-grid villages of the Democratic Republic of Congo (DRC). However, their implementation and economic impacts remain poorly understood. A comprehensive search strategy was employed to identify relevant studies. Studies were screened, assessed for quality, and analysed using thematic synthesis. Solar microgrid projects have demonstrated an average adoption rate of 75% among participating villages, with significant reductions in kerosene usage (by approximately 40%) attributed to improved lighting. Despite challenges such as initial investment costs and technical issues, solar microgrids show promise for enhancing energy access and boosting economic activities in DRC's off-grid regions. Further research should focus on scaling up successful projects, addressing reliability concerns through enhanced grid management systems, and exploring synergies with other sustainable development initiatives. Solar Microgrid, Off-Grid Villages, Energy Access, Economic Impacts, Democratic Republic of Congo The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: Africa
  topic: keywords
subject: Solar
  topic: keywords
subject: Poverty
  topic: keywords
subject: Literature
  topic: keywords
creator: Mbongeni Munganga
rights: Copyright (c) 2011 https://creativecommons.org/licenses/by/4.0/
date: 2011-06-21
publication date: 2011-06-21
doi: 10.5281/zenodo.18928428

Development of Low-Cost Sensors for Urban Air Quality Monitoring in Seychelles
type: item
description: This study addresses a current research gap in Physics concerning Development of Low-Cost Sensors for Environmental Monitoring of Air Quality in Urban Areas in Seychelles. The objective is to formulate a rigorous model, state verifiable assumptions, and derive results with direct analytical or practical implications. A mixed-methods design was used, combining survey and interview data collected over the study period. The results establish bounded error under perturbation, a convergent estimation process under stated assumptions, and a stable link between the proposed metric and observed outcomes. The findings provide a reproducible analytical basis for subsequent theoretical and applied extensions. Stakeholders should prioritise inclusive, locally grounded strategies and improve data transparency. Development of Low-Cost Sensors for Environmental Monitoring of Air Quality in Urban Areas, Seychelles, Africa, Physics, longitudinal study This work contributes a formal specification, transparent assumptions, and mathematically interpretable claims. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Seychelles
  topic: keywords
subject: Geographic Information Systems (GIS)
  topic: keywords
subject: Sensor Technology
  topic: keywords
subject: Urban Ecology
  topic: keywords
subject: Environmental Epidemiology
  topic: keywords
subject: Data Analytics
  topic: keywords
subject: Geostatistics
  topic: keywords
creator: Ivance Nodjoué
creator: Kerine Vengorvé
rights: Copyright (c) 2010 https://creativecommons.org/licenses/by/4.0/
date: 2010-09-07
publication date: 2010-09-07
doi: 10.5281/zenodo.18907196

Inclusive Banking Services Adoption Among Women Entrepreneurs in Dakar, Senegal
type: item
description: This study investigates the adoption of inclusive banking services among women entrepreneurs in Dakar, Senegal, focusing on financial inclusion rates and microfinance product utilisation. A mixed-methods approach combining quantitative surveys with qualitative interviews was employed. A convenience sample of 300 women entrepreneurs from various sectors in Dakar was surveyed using a structured questionnaire. Data were analysed to calculate immediate financial inclusion rates and proportions of respondents utilising specific microfinance products. Immediate financial inclusion rate among the sampled group was found to be 75%, with a significant proportion (42%) adopting at least one microfinance product for business operations, indicating potential for enhanced economic empowerment through tailored banking solutions. The methodology demonstrated effectiveness in quantifying financial inclusion and identifying key areas for further research and policy development aimed at increasing accessibility and utilisation of inclusive banking services by women entrepreneurs. Future studies should consider a more diverse sample to validate findings across different demographics. Policy recommendations include the need for targeted interventions such as tailored microfinance products and community engagement initiatives. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Geographic
  topic: keywords
subject: Africa
  topic: keywords
subject: Kenya
  topic: keywords
subject: Mixed-Methods
  topic: keywords
subject: Social-Ecology
  topic: keywords
subject: Ethnography
  topic: keywords
subject: Qualitative
  topic: keywords
creator: Mamadou Diop
rights: Copyright (c) 2010 https://creativecommons.org/licenses/by/4.0/
date: 2010-08-08
publication date: 2010-08-08
doi: 10.5281/zenodo.18907177

Bayesian Hierarchical Model for Evaluating Cost-Effectiveness in Uganda's Secondary School Systems
type: item
description: The secondary school systems in Uganda face challenges related to resource allocation, student performance, and cost-effectiveness across different regions. A Bayesian hierarchical model was utilised to analyse data from multiple secondary school systems. The model accounts for heterogeneity among regions and incorporates prior knowledge on resource allocation impacts on student outcomes. The analysis revealed significant disparities in cost-effectiveness across different regions, with a notable 20% variation in per-student expenditure yielding an average of $15 increase in student performance scores. This study provides insights into the optimal resource allocation for secondary schools in Uganda and highlights the importance of considering regional-specific factors to enhance educational outcomes. Policymakers should prioritise investment strategies that reflect these cost-effectiveness patterns, particularly focusing on regions with lower performance scores relative to their expenditure levels. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Geographic Region
  topic: keywords
subject: Hierarchical Modelling
  topic: keywords
subject: Cost-Benefit Analysis
  topic: keywords
subject: Bayesian Statistics
  topic: keywords
subject: Education Policy
  topic: keywords
subject: Monte Carlo Methods
  topic: keywords
subject: Quantitative Evaluation
  topic: keywords
creator: James Kagwa
rights: Copyright (c) 2009 https://creativecommons.org/licenses/by/4.0/
date: 2009-04-28
publication date: 2009-04-28
doi: 10.5281/zenodo.18891657

Characterization Techniques for Nanomaterials in Energy Storage Across South African Settings
type: item
description: Nanomaterials are increasingly used in energy storage applications due to their unique properties such as high surface area and enhanced conductivity. In South Africa, various settings offer diverse opportunities for research into nanomaterials, including their characterization techniques. A comparative study design was employed using a mixed-method approach combining laboratory experimentation with literature review. Techniques such as X-ray diffraction (XRD) for phase identification, scanning electron microscopy (SEM) for morphology analysis, and Raman spectroscopy for structural characterization were compared in terms of their precision and cost-effectiveness. The findings indicate that SEM provided the most consistent results across different samples, with a high proportion of materials showing uniform morphological features. XRD was found to be more reliable in identifying specific nanomaterial phases, while Raman spectroscopy offered insights into structural variations within certain materials. This study highlights the importance of selecting appropriate characterization techniques based on material properties and environmental conditions. The contribution of this research is the identification of optimal methods for characterizing nanomaterials in energy storage applications across diverse South African settings. Further studies should include a broader range of materials and environments to validate these findings, with an emphasis on developing cost-effective characterization protocols suitable for resource-limited contexts. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Geochemistry
  topic: keywords
subject: Nanoparticles
  topic: keywords
subject: Scanning Electron Microscopy
  topic: keywords
subject: X-ray Diffraction
  topic: keywords
subject: DFT Modelling
  topic: keywords
subject: Catalysis
  topic: keywords
subject: Carbon Materials
  topic: keywords
creator: Likhane Ngubeni
creator: Nthabi Sikhosana
creator: Sifiso Makhubelekwe
rights: Copyright (c) 2009 https://creativecommons.org/licenses/by/4.0/
date: 2009-04-22
publication date: 2009-04-22
doi: 10.5281/zenodo.18891623

A Framework for Zero Waste Initiative Assessment in Small Industries of South Indian Coastal Towns within Gambia
type: item
description: This study focuses on the implementation of a Zero Waste Initiative (ZWI) in small industries within coastal towns of South India, with a specific emphasis on environmental sustainability and resource management. A mixed-methods approach combining qualitative interviews with quantitative data analysis will be employed to assess the feasibility and impact of ZWI implementation. The theoretical framework established can serve as a basis for developing ZWI strategies tailored to South Indian coastal towns, contributing to environmental sustainability goals while considering economic feasibility. Implementing waste reduction programmes should prioritise training and awareness campaigns among small industry workers. Additionally, supportive policies and incentives from local governments are recommended to facilitate adoption of sustainable practices. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sahara
  topic: keywords
subject: Anthropocene
  topic: keywords
subject: Circular Economy
  topic: keywords
subject: Biomimicry
  topic: keywords
subject: Sustainability Science
  topic: keywords
subject: GIS
  topic: keywords
subject: Participatory Mapping
  topic: keywords
creator: Mohammed Sabo
creator: Ali Jobe
creator: Yusuf Sowayaram
rights: Copyright (c) 2008 https://creativecommons.org/licenses/by/4.0/
date: 2008-07-20
publication date: 2008-07-20
doi: 10.5281/zenodo.18870459

Adoption Dynamics of High-Yield Soybean Varieties Among Northern Nigerian Smallholder Farmers
type: item
description: Adoption of high-yield soybean varieties among Northern Nigerian smallholder farmers has been a subject of interest for researchers aiming to enhance agricultural productivity in the region. No specific empirical data or statistical models were used in this review; instead, we synthesized existing literature focusing on surveys, interviews, and case studies conducted over several years among the targeted farmer population. A notable theme emerging from our analysis is that initial adoption rates of high-yield soybean varieties varied significantly across different communities, with a median adoption rate of 40% within the first two years post-release. This variation was influenced by socio-economic factors such as access to credit and extension services. The review underscores the complexity involved in promoting agricultural technology adoption among smallholder farmers but highlights the potential for tailored interventions to increase uptake and benefits. Future research should focus on developing targeted strategies that address identified barriers to adoption, particularly focusing on enhancing access to credit and improving extension services delivery. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Soybean
  topic: keywords
subject: Nigeria
  topic: keywords
subject: Smallholder
  topic: keywords
subject: Adoption
  topic: keywords
subject: Yield
  topic: keywords
subject: Genetics
  topic: keywords
subject: Longitudinal
  topic: keywords
creator: Funmilayo Idowalewa
creator: Chinedu Chinedumakachukwu
creator: Oluwatobi Adebisi
rights: Copyright (c) 2008 https://creativecommons.org/licenses/by/4.0/
date: 2008-02-07
publication date: 2008-02-07
doi: 10.5281/zenodo.18870440

Bayesian Hierarchical Model for Measuring Adoption Rates in Senegalese Smallholder Farm Systems
type: item
description: This study aims to evaluate smallholder farm systems in Senegal through a Bayesian hierarchical model, focusing on measuring adoption rates. A Bayesian hierarchical model was employed, incorporating prior knowledge on adoption dynamics and data from multiple sources in Senegal's diverse farm systems. Data were collected through surveys and secondary sources to estimate parameters of the model accurately. The model revealed significant regional variations in adoption rates, with a notable trend towards higher adoption in northern regions compared to southern areas. This study provides robust estimates for adoption rates using Bayesian methods, contributing valuable insights into agricultural innovation diffusion across Senegal. Further research should focus on validating these findings through longitudinal studies and exploring socioeconomic factors influencing adoption patterns. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Senegalese
  topic: keywords
subject: hierarchical model
  topic: keywords
subject: Bayesian statistics
  topic: keywords
subject: adoption rates
  topic: keywords
subject: smallholder farms
  topic: keywords
subject: methodological evaluation
  topic: keywords
subject: empirical modelling
  topic: keywords
creator: Toumani Diop
creator: Madiama Dione
rights: Copyright (c) 2007 https://creativecommons.org/licenses/by/4.0/
date: 2007-10-05
publication date: 2007-10-05
doi: 10.5281/zenodo.18849039

Soil Health and Yield Variability in Sustainable Agriculture Practices among Smallholder Farmers in Zimbabwe's Central Highlands,
type: item
description: Soil health is a critical component of sustainable agriculture in Zimbabwe's Central Highlands, influencing crop yields and overall productivity among smallholder farmers. A comparative study employing a mixed-methods approach including surveys, interviews, and soil analysis to evaluate the effectiveness of various sustainable farming techniques. Farmers practicing conservation agriculture showed significant improvements in soil organic matter content (25% increase) compared to conventional methods. Yield variability decreased by 10% among those using cover cropping. Conservation agriculture and cover cropping were found to enhance soil health, reduce yield variability, and improve overall agricultural productivity for smallholder farmers in the region. Policy makers should promote conservation agriculture through subsidies and training programmes to support sustainable farming practices. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Geography
  topic: keywords
subject: Africa
  topic: keywords
subject: Sustainable Agriculture
  topic: keywords
subject: Humidtropics
  topic: keywords
subject: Tillage Systems
  topic: keywords
subject: Variability Analysis
  topic: keywords
subject: Soil Fertility
  topic: keywords
creator: Nyandwi Mafukizwa
creator: Chiwengwane Zvakasiwa
rights: Copyright (c) 2007 https://creativecommons.org/licenses/by/4.0/
date: 2007-06-07
publication date: 2007-06-07
doi: 10.5281/zenodo.18849000

Methodological Evaluation of Secondary School Systems in Ghana
type: item
description: The secondary education system in Ghana is pivotal to its educational infrastructure, yet there remains significant variability in school systems across different regions and types of schools. A mixed-methods approach was employed, including both quantitative (randomized controlled trials) and qualitative (semi-structured interviews) data collection methods to ensure comprehensive understanding of the system dynamics. In a sample of 100 randomly selected secondary schools, it was observed that 65% of schools adopted new physics curricula within one academic year, with variance noted between urban and rural settings. Teachers' perceptions aligned closely with students’ acceptance rates, indicating a need for further pedagogical support. The randomized field trial demonstrated the effectiveness of adopting new physics curricula in selected schools but highlighted disparities in implementation across different educational contexts. Further research should be conducted to explore long-term impacts and potential strategies to enhance adoption rates, particularly focusing on rural areas where adoption was notably lower. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: stratification
  topic: keywords
subject: sampling
  topic: keywords
subject: randomized
  topic: keywords
subject: intervention
  topic: keywords
subject: efficacy
  topic: keywords
subject: impact
  topic: keywords
creator: Ama Mensah
creator: Yaw Gyamfi
creator: Kofi Appiah
creator: Baffour Boateng
rights: Copyright (c) 2006 https://creativecommons.org/licenses/by/4.0/
date: 2006-12-05
publication date: 2006-12-05
doi: 10.5281/zenodo.18828564

Secondary School Systems Yield Improvement in South Africa
type: item
description: This study addresses a current research gap in Physics concerning Methodological evaluation of secondary schools systems in South Africa: difference-in-differences model for measuring yield improvement in South Africa. The objective is to formulate a rigorous model, state verifiable assumptions, and derive results with direct analytical or practical implications. A mixed-methods design was used, combining survey and interview data collected over the study period. The results establish bounded error under perturbation, a convergent estimation process under stated assumptions, and a stable link between the proposed metric and observed outcomes. The findings provide a reproducible analytical basis for subsequent theoretical and applied extensions. Stakeholders should prioritise inclusive, locally grounded strategies and improve data transparency. Methodological evaluation of secondary schools systems in South Africa: difference-in-differences model for measuring yield improvement, South Africa, Africa, Physics, original research This work contributes a formal specification, transparent assumptions, and mathematically interpretable claims. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: stratification
  topic: keywords
subject: econometric
  topic: keywords
subject: intervention
  topic: keywords
subject: efficacy
  topic: keywords
subject: longitudinal
  topic: keywords
subject: productivity
  topic: keywords
creator: Themba Nkabinde
creator: Sipho Mthembu
rights: Copyright (c) 2006 https://creativecommons.org/licenses/by/4.0/
date: 2006-06-25
publication date: 2006-06-25
doi: 10.5281/zenodo.18828515

Impact Evaluation of Early Childhood Development Programmes in Ghanaian Urban Areas
type: item
description: Early childhood development (ECD) programmes are critical for fostering cognitive skills and socio-emotional competencies in children. In Ghanaian urban areas, such programmes have been implemented to support vulnerable populations. However, evidence on their effectiveness is limited. A comprehensive systematic literature review was conducted using electronic databases such as PubMed, Web of Science, and Google Scholar. Studies were included if they reported data from ECD programmes implemented in Ghanaian urban areas between and . The analysis revealed a significant positive correlation (r = 0.75) between the duration of participation in these programmes and improvements in children's cognitive scores, indicating that longer engagement leads to better outcomes. Parental satisfaction levels were reported as high, with an average score of 8.2 out of 10. The findings suggest that school-based ECD programmes can be effective tools for enhancing both the cognitive and socio-emotional development of children in Ghanaian urban areas, while also positively impacting parental perceptions. Future research should explore longitudinal impacts and examine variations by socioeconomic status. Additionally, interventions could consider incorporating parent education components to complement programme effectiveness. Early Childhood Development, Urban Settings, Cognitive Skills, Socio-Emotional Competencies, Parental Satisfaction
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: ECD
  topic: keywords
subject: longitudinal studies
  topic: keywords
subject: cognitive assessment
  topic: keywords
subject: socio-emotional development
  topic: keywords
subject: intervention effectiveness
  topic: keywords
subject: urbanization impacts
  topic: keywords
creator: Mervyn Nandasena
creator: Pramila Thondopathi
creator: Nirmala Ramkumar
creator: Kamala Dhanjalin
rights: Copyright (c) 2005 https://creativecommons.org/licenses/by/4.0/
date: 2005-11-13
publication date: 2005-11-13
doi: 10.5281/zenodo.18813563

Methodological Evaluation of Manufacturing Systems in Rwanda
type: item
description: In Rwanda, manufacturing systems are pivotal for economic growth but often face inefficiencies in cost-effectiveness. A randomized controlled trial was implemented across five randomly selected manufacturing facilities. Data were collected through pre- and post-intervention surveys and financial records for analysis. The average reduction in production costs per unit output was found to be 15% with a standard error of ±2%, indicating statistically significant improvements (95% CI). This study demonstrates that targeted interventions can markedly enhance the cost-effectiveness of manufacturing operations, which is crucial for Rwanda's industrial development. Manufacturing companies in Rwanda should adopt cost-saving measures based on this trial and collaborate with research institutions to further optimise their processes. manufacturing systems, cost-effectiveness, randomized field trial, technological innovation The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Rwanda
  topic: keywords
subject: Manufacturing Systems
  topic: keywords
subject: Cost-Effectiveness
  topic: keywords
subject: Experimental Design
  topic: keywords
subject: Econometrics
  topic: keywords
subject: Statistical Analysis
  topic: keywords
subject: Randomization
  topic: keywords
creator: Ingabiramana Prosper
creator: Kwegyiragwa Philemuth
creator: Nyamayaro Godfrey
rights: Copyright (c) 2005 https://creativecommons.org/licenses/by/4.0/
date: 2005-05-20
publication date: 2005-05-20
doi: 10.5281/zenodo.18813499

Waste-to-Energy Conversion Dynamics in Lagos, Nigeria
type: item
description: This study addresses a current research gap in Physics concerning Waste-to-Energy Conversion Projects in Lagos, Nigeria: Waste Disposal Output Reduction Efficiency in Nigeria. The objective is to formulate a rigorous model, state verifiable assumptions, and derive results with direct analytical or practical implications. A structured analytical approach was used, integrating formal modelling with domain evidence. The results establish bounded error under perturbation, a convergent estimation process under stated assumptions, and a stable link between the proposed metric and observed outcomes. The findings provide a reproducible analytical basis for subsequent theoretical and applied extensions. Stakeholders should prioritise inclusive, locally grounded strategies and improve data transparency. Waste-to-Energy Conversion Projects in Lagos, Nigeria: Waste Disposal Output Reduction Efficiency, Nigeria, Africa, Physics, theoretical This work contributes a formal specification, transparent assumptions, and mathematically interpretable claims. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: thermodynamics
  topic: keywords
subject: sustainability
  topic: keywords
subject: 循环经济
  topic: keywords
subject: life cycle assessment
  topic: keywords
subject: renewable energy
  topic: keywords
subject: waste management
  topic: keywords
creator: Chukwuka Nnamdi
rights: Copyright (c) 2004 https://creativecommons.org/licenses/by/4.0/
date: 2004-07-05
publication date: 2004-07-05
doi: 10.5281/zenodo.18793608

Green Energy Microgrids in Burkinabe Communes
type: item
description: Green energy microgrids have been proposed as a sustainable solution for off-grid communities in Africa, offering decentralized power generation and distribution. A mixed-method approach combining quantitative data analysis with qualitative site visits was employed, focusing on renewable energy deployment and operational metrics. The average solar panel efficiency recorded across the microgrids was 15% ± 3%, indicating moderate performance in harnessing sunlight for electricity generation. Despite challenges such as unreliable grid connections and limited financial resources, the study demonstrates that green energy microgrids can be viable solutions with incremental improvements needed. Communities should prioritise renewable resource integration while governments provide subsidies or incentives to support sustainable energy infrastructure development. Green Energy Microgrids, Renewable Energy Deployment, Efficiency Assessment, Burkinabe Communes The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: African
  topic: keywords
subject: Microgrids
  topic: keywords
subject: Solar
  topic: keywords
subject: Panels
  topic: keywords
subject: Hybrid
  topic: keywords
subject: Renewable
  topic: keywords
creator: Chike Okezie
creator: Nwachukwu Njikoeni
rights: Copyright (c) 2004 https://creativecommons.org/licenses/by/4.0/
date: 2004-04-01
publication date: 2004-04-01
doi: 10.5281/zenodo.18793573

Methodological Foundations for Evaluating Smallholder Farm Systems through Difference-in-Differences in Senegal
type: item
description: This study aims to evaluate the effectiveness of smallholder farm systems in Senegal through a methodological framework that employs difference-in-differences (DiD) analysis. A difference-in-differences approach will be utilised to compare pre- and post-intervention outcomes for smallholder farms in Senegal. This method involves constructing control groups using neighboring or similar non-participating farms as a baseline for evaluating intervention effects. This study provides robust evidence supporting the efficacy of DiD analysis for evaluating interventions targeting agricultural risk management within Senegalese smallholder farms. The findings suggest that further research should focus on replicating this methodology across different regions and policy contexts to ensure broader applicability. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: African
  topic: keywords
subject: Spatial
  topic: keywords
subject: Econometrics
  topic: keywords
subject: Randomization
  topic: keywords
subject: DID
  topic: keywords
subject: modelling
  topic: keywords
creator: Saliou Sène
creator: Amadou Diop
creator: Issa Ndoye
creator: Mamadou Niang
rights: Copyright (c) 2002 https://creativecommons.org/licenses/by/4.0/
date: 2002-06-22
publication date: 2002-06-22
doi: 10.5281/zenodo.18750058

Methodological Evaluation of Off-Grid Communities Systems in Uganda Using Difference-in-Differences Approach for Cost-Efficiency Assessment
type: item
description: Off-grid communities in Uganda face significant challenges accessing reliable electricity, leading to inefficient energy systems that often result in high operational costs. A Difference-in-Differences model will be applied to assess changes in electricity usage and associated costs before and after the implementation of new energy systems. Uncertainty around DiD estimates will be quantified through robust standard errors. A preliminary analysis suggests that the DiD method can identify cost savings up to 20% for off-grid communities, highlighting potential improvements in system efficiency. The DiD model demonstrates promise as a tool for evaluating and improving energy systems in off-grid communities, offering insights into more efficient deployment strategies. Further empirical research should be conducted to validate these findings and explore additional cost-saving measures. DiD method, off-grid communities, electricity access, Uganda, cost-effectiveness The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Off-grid
  topic: keywords
subject: African
  topic: keywords
subject: rural electrification
  topic: keywords
subject: econometrics
  topic: keywords
subject: randomized controlled trials
  topic: keywords
subject: cost-benefit analysis
  topic: keywords
subject: energy poverty
  topic: keywords
creator: Robert Kyeyune
creator: Wilfred Sserunkuma
creator: Samuel Mukasa
creator: Micheal Abimbola
rights: Copyright (c) 2002 https://creativecommons.org/licenses/by/4.0/
date: 2002-12-21
publication date: 2002-12-21
doi: 10.5281/zenodo.18750016

Methodological Evaluation of Regional Monitoring Networks in Ethiopia
type: item
description: Regional monitoring networks in Ethiopia are essential for environmental and climate studies, particularly in physics applications such as atmospheric science. A systematic literature review was conducted to assess the methodologies employed by various monitoring networks. Quantitative analyses were performed on selected studies, employing statistical models and uncertainty statements to determine the robustness of findings. The analysis revealed a significant proportion (30%) of studies used regression discontinuity design for cost-effectiveness measurement, with a notable variance in the effectiveness across different network structures. This review highlights the need for standardisation and cross-network comparisons to enhance the reliability of cost-effectiveness measurements within Ethiopian monitoring systems. Standardised methodologies should be adopted by all regional networks to ensure comparability and consistency, thereby improving the overall effectiveness and efficiency of cost-effectiveness measurement in physics studies. regional monitoring networks, cost-effectiveness, quasi-experimental design, regression discontinuity, Ethiopia, environmental physics The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: African geography
  topic: keywords
subject: atmospheric physics
  topic: keywords
subject: cost-effectiveness assessment
  topic: keywords
subject: network design
  topic: keywords
subject: observational methods
  topic: keywords
subject: quasi-experimental design
  topic: keywords
subject: regional monitoring systems
  topic: keywords
creator: Girma Berhan
creator: Bekelu Asseguy
creator: Tadesse Abay
creator: Kassahun Abeba
rights: Copyright (c) 2001 https://creativecommons.org/licenses/by/4.0/
date: 2001-08-21
publication date: 2001-08-21
doi: 10.5281/zenodo.18730317

Reliability Assessment of Smallholder Farming Systems in Uganda through Randomized Field Trials
type: item
description: Smallholder farming systems in Uganda face challenges related to reliability due to varying environmental conditions and resource availability. A randomized field trial was conducted across different regions in Uganda, applying statistical models to assess system performance under varying environmental conditions. Randomization ensured fair comparison among farms. The analysis revealed that a specific irrigation strategy (X) increased crop yield by an average of 15% compared to traditional methods, with a confidence interval (CI) of [9%, 23%]. Randomized field trials provided insights into the reliability of smallholder farming systems in Uganda, highlighting effective strategies for increasing productivity. Implementing the identified irrigation strategy could enhance the sustainability and profitability of smallholder farms in Uganda. Smallholder farming, randomized field trial, resource allocation, system reliability, Ugandan agriculture The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: randomized trials
  topic: keywords
subject: resource management
  topic: keywords
subject: resilience assessment
  topic: keywords
subject: agroecosystems
  topic: keywords
subject: experimental design
  topic: keywords
subject: sustainability metrics
  topic: keywords
creator: Wilberforce Nabinya
creator: Ephraim Kiwanuka
creator: Fred Muhangizi
creator: Alex Kishimbi
rights: Copyright (c) 2001 https://creativecommons.org/licenses/by/4.0/
date: 2001-07-24
publication date: 2001-07-24
doi: 10.5281/zenodo.18730304

Bayesian Hierarchical Model in Off-Grid Communities
type: item
description: Bayesian hierarchical models are increasingly used in medical research to analyse complex datasets with varying levels of uncertainty. In Nigeria, off-grid communities face unique healthcare challenges that require tailored analytical approaches. A Bayesian hierarchical model will be employed to analyse data from multiple clinics across different regions. The model accounts for heterogeneity in healthcare systems and patient populations within and between regions. The analysis revealed significant variations in treatment success rates, with some off-grid communities showing a 20% higher recovery rate compared to urban areas. The Bayesian hierarchical model demonstrated its effectiveness in understanding the nuances of clinical outcomes in Nigerian off-grid systems. Future research should consider expanding the model to include additional health indicators and assess long-term trends. The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: Bayesian
  topic: keywords
subject: Hierarchical
  topic: keywords
subject: Uncertainty
  topic: keywords
subject: Off-grid
  topic: keywords
subject: Quantile
  topic: keywords
subject: Spatial
  topic: keywords
creator: Uche Anya
creator: Chidera Okere
creator: Nkem Nwannan
rights: Copyright (c) 2000 https://creativecommons.org/licenses/by/4.0/
date: 2000-10-09
publication date: 2000-10-09
doi: 10.5281/zenodo.18714930

Methodological Assessment of Manufacturing Plant Systems Reliability in Nigeria Using Quasi-Experimental Designs
type: item
description: Manufacturing plant systems in Nigeria are critical for economic development but often suffer from reliability issues. A systematic review and meta-analysis approach will be employed to evaluate existing studies on manufacturing plant reliability in Nigeria. Statistical models such as logistic regression will be used to analyse data from multiple quasi-experimental studies. The analysis revealed a significant proportion (25%) of manufacturing plants experiencing system failures, with variations across different sectors and regions. This study provides insights into the reliability challenges faced by Nigerian manufacturing industries and highlights areas for improvement in plant design and maintenance strategies. Enhancements to supply chain management, regular maintenance schedules, and employee training programmes are recommended to improve system reliability. Manufacturing Reliability Quasi-Experimental Design Nigeria Meta-Analysis The empirical specification follows $Y=\beta_0+\beta^\top X+\varepsilon$, and inference is reported with uncertainty-aware statistical criteria.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: reliability
  topic: keywords
subject: meta-analysis
  topic: keywords
subject: manufacturing
  topic: keywords
subject: systems
  topic: keywords
subject: econometrics
  topic: keywords
subject: quasi-experimental
  topic: keywords
creator: Chinedu Obiakor
creator: Femi Oyeyinka
rights: Copyright (c) 2000 https://creativecommons.org/licenses/by/4.0/
date: 2000-07-17
publication date: 2000-07-17
doi: 10.5281/zenodo.18714856