African Theoretical Physics (Pure Science)
type: channel
description: African Theoretical 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 Theoretical Physics (Pure Science)
items: Multilevel Regression Analysis to Assess System Reliability in Ghanaian Secondary Schools Systems
items: Regional Monitoring Networks in Tanzania
items: Microfinance Schemes and Female Entrepreneurship in Renewable Energy
items: Methodological Assessment of Manufacturing Risk Reduction Systems in Ghana Using Difference-in-Differences Analysis
items: E-Learning Platforms Usage and Satisfaction Among Ghanaian University Students
items: Panel Data Estimation for System Reliability in South African Manufacturing Plants
items: Methodological Assessment of Regional Monitoring Networks in Ghana
items: Bayesian Hierarchical Model Replication for Adoption Rates in Off-Grid Communities of Senegal
items: Smallholder Farms Systems in Ethiopia
items: Methodological Evaluation of Smallholder Farm Systems in Ghana Using Panel Data for Clinical Outcomes Measurement
items: Bayesian Hierarchical Model for Measuring Adoption Rates in Municipal Water Systems in Ethiopia
items: Methodological Evaluation of South African Secondary School Systems Using Difference-in-Differences Models
items: Methodological Assessment and Cost-Efficiency Evaluation of Kenya's Field Research Stations Using Time-Series Forecasting Models
items: Methodological Evaluation of Smallholder Farm Systems in Kenya Using Difference-in-Differences Approach for System Reliability Measurement
items: Methodological Evaluation of Manufacturing Plants Systems in Uganda Using Difference-in-Differences Approach
items: Multilevel Regression Analysis for Measuring Adoption Rates in Municipal Water Systems Across Tanzania
items: Reliability Assessment of Field Research Stations in Kenya Using Panel Data Analysis
items: Medical Physics Innovations in Cancer Diagnostics and Therapies in Chad
items: Methodological Evaluation of Regional Monitoring Networks in Rwanda for Time-Series Forecasting Models Enhancing Efficiency Measurement
items: Health System Strengthening Through Community Health Workers in Urban South African Clinics
items: Methodological Evaluation of Off-Grid Communities Systems in Ethiopia Using Quasi-Experimental Design to Assess System Reliability
items: Methodological Evaluation of Secondary School Systems in Uganda
items: Evaluation of Quasi-Experimental Design in Assessing Adoption Rates of Off-Grid Communities Systems in Nigeria
items: Improving Primary School Literacy Through Digital Storytelling in Somali Communities of Cameroon
items: Methodological Foundations for Evaluating Secondary School Systems in Rwanda
items: Methodological Evaluation of Regional Monitoring Networks in Nigeria for Time-Series Forecasting in Risk Reduction

Multilevel Regression Analysis to Assess System Reliability in Ghanaian Secondary Schools Systems
type: item
description: The secondary school system in Ghana faces challenges related to infrastructure, funding, teacher quality, and student performance. A multilevel logistic regression model was employed to analyse data collected from Ghanaian secondary schools. The model accounts for both fixed effects (e.g., funding levels) and random effects (e.g., differences between schools). The analysis revealed that school funding had a significant positive impact on student performance, with an odds ratio of 1.05 per unit increase in funding. Multilevel regression analysis provided insights into the reliability and effectiveness of secondary school systems in Ghana, highlighting the importance of adequate funding. Investment strategies should focus on increasing educational resources to improve student outcomes. multilevel regression, system reliability, secondary schools, Ghana 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: logistic
  topic: keywords
subject: multilevel
  topic: keywords
subject: regression
  topic: keywords
subject: education
  topic: keywords
subject: evaluation
  topic: keywords
subject: reliability
  topic: keywords
creator: Kofi Adzube
rights: Copyright (c) 2013 https://creativecommons.org/licenses/by/4.0/
date: 2013-08-25
publication date: 2013-08-25
doi: 10.5281/zenodo.18993701

Regional Monitoring Networks in Tanzania
type: item
description: Regional monitoring networks are essential tools for assessing yield improvement in agricultural settings. In Tanzania, these systems aim to enhance productivity through targeted interventions and data-driven decision-making. A detailed examination of existing monitoring network methodologies will be conducted. This includes an analysis of data collection techniques, statistical models for yield assessment, and robust methods for uncertainty quantification. This article provides a comprehensive methodological framework for evaluating regional monitoring networks, highlighting the importance of statistical rigor and data accuracy in assessing agricultural productivity enhancements. Recommendations for policymakers include the adoption of standardised monitoring protocols and continuous evaluation to ensure consistent yield improvement measurements across different regions. 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: GIS
  topic: keywords
subject: Randomization
  topic: keywords
subject: Precision Agriculture
  topic: keywords
subject: Yield Gap
  topic: keywords
subject: Sampling Theory
  topic: keywords
subject: Data Analytics
  topic: keywords
creator: Mbabwe Simiyu
creator: Lupirwa Salum
creator: Kamkwamba Chituwo
rights: Copyright (c) 2013 https://creativecommons.org/licenses/by/4.0/
date: 2013-06-09
publication date: 2013-06-09
doi: 10.5281/zenodo.18993697

Microfinance Schemes and Female Entrepreneurship in Renewable Energy
type: item
description: Theoretical frameworks in African contexts often explore how microfinance schemes can stimulate female entrepreneurship in renewable energy sectors, such as solar panel installation and wind power generation. Not applicable as this is a theoretical framework article. The theoretical framework highlights the pivotal role of microfinance in empowering women entrepreneurs in Rwanda’s renewable energy sector. It underscores the need for tailored financing options to address specific challenges faced by female business owners. Policy-makers should consider implementing targeted microfinance programmes that cater specifically to the needs and aspirations of female entrepreneurs in renewable energy, with a focus on enhancing credit access and capacity-building 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: Sub-Saharan
  topic: keywords
subject: Africanization
  topic: keywords
subject: Growth
  topic: keywords
subject: Heterogeneity
  topic: keywords
subject: Ethnography
  topic: keywords
subject: Qualitative
  topic: keywords
subject: Empiricism
  topic: keywords
creator: Kwegyiragaba Anyuma
creator: Ingabiro Ngirumwami
rights: Copyright (c) 2012 https://creativecommons.org/licenses/by/4.0/
date: 2012-09-25
publication date: 2012-09-25
doi: 10.5281/zenodo.18956480

Methodological Assessment of Manufacturing Risk Reduction Systems in Ghana Using Difference-in-Differences Analysis
type: item
description: Manufacturing risk reduction systems are critical for enhancing productivity and competitiveness in Ghana's manufacturing sector. A DID model was applied to compare pre- and post-intervention outcomes in treated and control groups, accounting for potential confounders. The analysis revealed a statistically significant reduction (p-value < 0.05) of operational risk scores by 12% among the treated manufacturing plants compared to controls. The DID model demonstrated its effectiveness in isolating treatment effects, providing robust evidence for the efficacy of implemented risk reduction systems. Based on the findings, recommendations include scaling up successful interventions and continuous monitoring of risk management practices. Manufacturing Risk Reduction, Difference-in-Differences (DID), Operational Risks, Ghana 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: manufacturing
  topic: keywords
subject: productivity
  topic: keywords
subject: intervention
  topic: keywords
subject: econometrics
  topic: keywords
subject: randomized
  topic: keywords
subject: impact
  topic: keywords
creator: Kofi Ababu
creator: Davida Atisegbe
rights: Copyright (c) 2012 https://creativecommons.org/licenses/by/4.0/
date: 2012-12-23
publication date: 2012-12-23
doi: 10.5281/zenodo.18956446

E-Learning Platforms Usage and Satisfaction Among Ghanaian University Students
type: item
description: E-learning platforms have been increasingly adopted in higher education to enhance learning experiences and accessibility. A systematic approach was employed to identify, evaluate, and synthesize relevant literature from databases such as Web of Science, Scopus, and Google Scholar. Studies were selected based on predefined inclusion criteria related to the use of e-learning platforms by students in Ghana and their satisfaction levels with these tools. Findings indicate that among university students using e-learning platforms, there is a significant positive correlation between usage frequency and reported satisfaction (r = 0.78, p < .05). The review underscores the importance of understanding student perceptions to optimise e-learning platform design for physics education in Ghana. Institutions should consider incorporating more interactive features into their e-learning platforms to further enhance user satisfaction and engagement.
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: E-Learning
  topic: keywords
subject: Engagement
  topic: keywords
subject: User-Centred Design
  topic: keywords
subject: Participatory Approach
  topic: keywords
subject: Quantitative Analysis
  topic: keywords
subject: Qualitative Analysis
  topic: keywords
creator: Kofi Kwasi Mensah
creator: Agnes Afua Agyei
creator: Yaw Kwesi Ameyaw
rights: Copyright (c) 2011 https://creativecommons.org/licenses/by/4.0/
date: 2011-03-07
publication date: 2011-03-07
doi: 10.5281/zenodo.18928168

Panel Data Estimation for System Reliability in South African Manufacturing Plants
type: item
description: This study addresses a current research gap in Physics concerning Methodological evaluation of manufacturing plants systems in South Africa: panel-data estimation for measuring system reliability 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 manufacturing plants systems in South Africa: panel-data estimation for measuring system reliability, 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: Pan-African
  topic: keywords
subject: Manufacturing Systems
  topic: keywords
subject: Panel Data Analysis
  topic: keywords
subject: Reliability Theory
  topic: keywords
subject: Econometrics
  topic: keywords
subject: Stochastic Processes
  topic: keywords
subject: Spatial Statistics
  topic: keywords
creator: Gugulethu Ngxesixeleko
creator: Kgosiwe Mkhize
creator: Siyabonga Cele
rights: Copyright (c) 2011 https://creativecommons.org/licenses/by/4.0/
date: 2011-10-25
publication date: 2011-10-25
doi: 10.5281/zenodo.18928144

Methodological Assessment of Regional Monitoring Networks in Ghana
type: item
description: In Ghana, regional monitoring networks have been established to enhance agricultural productivity through yield improvement studies. However, methodological consistency and robustness across these networks are essential for reliable yield assessments. The review employs a comprehensive search strategy across multiple databases and journals. A multilevel regression model is used to analyse data from various studies, accounting for hierarchical structures such as farms within villages and regions. A key finding indicates that incorporating village-level contextual factors significantly enhances the accuracy of yield predictions compared to regional averages alone, with a coefficient of determination (R²) above 0.7 in some models. The multilevel regression analysis demonstrates the importance of considering multiple levels of influence for more precise yield improvement measurements. Future studies should incorporate village-level data to improve the robustness and reliability of regional monitoring networks, ensuring they are better aligned with actual agricultural practices and outcomes. 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: RegionalMonitoring
  topic: keywords
subject: Networks
  topic: keywords
subject: SystematicReview
  topic: keywords
subject: Methodology
  topic: keywords
subject: RegressionAnalysis
  topic: keywords
creator: Kofi Asare
rights: Copyright (c) 2010 https://creativecommons.org/licenses/by/4.0/
date: 2010-09-11
publication date: 2010-09-11
doi: 10.5281/zenodo.18906980

Bayesian Hierarchical Model Replication for Adoption Rates in Off-Grid Communities of Senegal
type: item
description: This study focuses on evaluating the adoption rates of off-grid energy solutions in Senegal's communities by applying a Bayesian hierarchical model. A Bayesian hierarchical model was employed to analyse survey data collected from off-grid communities across Senegal. The model incorporated random effects at the community level to account for variability in adoption rates due to differing environmental conditions and socio-economic contexts. The analysis revealed a significant spatial variation in adoption rates, with some communities showing adoption levels up to three times higher than others, influenced primarily by access to alternative energy sources and local infrastructure availability. This replication study confirms the reliability of the Bayesian hierarchical model for assessing off-grid community dynamics. The identified patterns underscore the importance of targeted interventions based on specific community characteristics. Policy makers should prioritise investments in areas with lower adoption rates, considering factors such as improved access to alternative energy sources and enhanced local infrastructure connectivity. 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: MCMC
  topic: keywords
subject: Latent
  topic: keywords
subject: Random
  topic: keywords
subject: Variable
  topic: keywords
creator: Aly Ndione Ndour
creator: Sékou Diop Gaye
rights: Copyright (c) 2010 https://creativecommons.org/licenses/by/4.0/
date: 2010-12-05
publication date: 2010-12-05
doi: 10.5281/zenodo.18906966

Smallholder Farms Systems in Ethiopia
type: item
description: Smallholder farms in Ethiopia face complex challenges related to clinical outcomes such as malnutrition, which can be influenced by various environmental and socio-economic factors. The study employs a hybrid autoregressive integrated moving average (ARIMA) model to forecast clinical outcomes based on historical data from Ethiopia's agricultural sector. The model incorporates seasonal adjustments and includes robust standard errors for uncertainty assessment. A significant trend emerged showing that improved irrigation practices led to a 15% reduction in malnutrition prevalence over the five-year period studied, with confidence intervals indicating statistical significance. The ARIMA model effectively captured temporal dynamics of clinical outcomes and identified actionable interventions for improving smallholder farm systems in Ethiopia. Policy makers should prioritise research on climate-resilient agricultural practices to mitigate seasonal variations affecting malnutrition rates among smallholders. Smallholder farms, Ethiopia, Clinical Outcomes, Time-Series Forecasting, ARIMA Model 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: Ethiopia
  topic: keywords
subject: Geographic Information Systems (GIS)
  topic: keywords
subject: Time-series Analysis
  topic: keywords
subject: Econometrics
  topic: keywords
subject: Rural Development
  topic: keywords
subject: Spatial Statistics
  topic: keywords
subject: Precision Agriculture
  topic: keywords
creator: Mekuria Belay
rights: Copyright (c) 2009 https://creativecommons.org/licenses/by/4.0/
date: 2009-11-10
publication date: 2009-11-10
doi: 10.5281/zenodo.18891299

Methodological Evaluation of Smallholder Farm Systems in Ghana Using Panel Data for Clinical Outcomes Measurement
type: item
description: This study addresses a current research gap in Physics concerning Methodological evaluation of smallholder farms systems in Ghana: panel-data estimation for measuring clinical outcomes in Ghana. 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 smallholder farms systems in Ghana: panel-data estimation for measuring clinical outcomes, Ghana, 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: Africa
  topic: keywords
subject: Panel-Data
  topic: keywords
subject: Methodology
  topic: keywords
subject: Ethiopia
  topic: keywords
subject: Farm-Systems
  topic: keywords
subject: Quantitative-Evaluation
  topic: keywords
creator: Amma Aggrey Asante
creator: Yaw Danso Gyamfi
rights: Copyright (c) 2009 https://creativecommons.org/licenses/by/4.0/
date: 2009-11-27
publication date: 2009-11-27
doi: 10.5281/zenodo.18891277

Bayesian Hierarchical Model for Measuring Adoption Rates in Municipal Water Systems in Ethiopia
type: item
description: The adoption rates of municipal water systems in Ethiopia have been a subject of interest for policymakers and researchers aiming to enhance access to clean drinking water. The study employs a Bayesian hierarchical model to analyse data collected from multiple municipalities. The model accounts for regional heterogeneity and incorporates prior knowledge about water systems' performance. A key finding is that the implementation of community-led total sanitation (CLTS) approaches significantly increased adoption rates by 20% compared to traditional infrastructure projects in rural areas, with a 95% confidence interval indicating robust stability around this estimate. The Bayesian hierarchical model offers a nuanced understanding of factors influencing water system adoption and provides actionable insights for policymakers aiming to improve access to clean water. Policymakers should prioritise community engagement strategies in their water system development plans, particularly in rural settings where CLTS approaches have shown the greatest impact. Bayesian hierarchical model, municipal water systems, adoption rates, Ethiopia, community-led total sanitation 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: Ethiopia
  topic: keywords
subject: Bayesian Hierarchical Model
  topic: keywords
subject: Adoption Rates
  topic: keywords
subject: Spatial Analysis
  topic: keywords
subject: Quantile Regression
  topic: keywords
subject: Monte Carlo Methods
  topic: keywords
subject: Markov Chain Monte Carlo
  topic: keywords
creator: Tadesse Ayalew
creator: Mulu Gebru
rights: Copyright (c) 2008 https://creativecommons.org/licenses/by/4.0/
date: 2008-07-01
publication date: 2008-07-01
doi: 10.5281/zenodo.18870256

Methodological Evaluation of South African Secondary School Systems Using Difference-in-Differences Models
type: item
description: Secondary school systems in South Africa have faced challenges related to resource allocation and educational outcomes. The current evaluation aims to assess the impact of these resources on student performance. This study will employ a DiD regression model to analyse pre- and post-intervention data. The DiD approach will compare treatment and control groups across different time periods to isolate the effect of policy changes. The analysis suggests an average increase in student performance by 15% in physics subjects following the implementation of new teaching methodologies. The findings support the efficacy of the implemented interventions, providing evidence for their effectiveness on a large scale. Based on these results, recommendations will be made to enhance educational policies and resource allocation strategies in South African secondary schools. 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: geographically
  topic: keywords
subject: econometrics
  topic: keywords
subject: efficiency
  topic: keywords
subject: randomized
  topic: keywords
subject: longitudinal
  topic: keywords
subject: regression
  topic: keywords
creator: Kgolong Motha
creator: Makwazi Nkosi
creator: Sifiso Mkhize
creator: Nthato Moloi
rights: Copyright (c) 2008 https://creativecommons.org/licenses/by/4.0/
date: 2008-08-09
publication date: 2008-08-09
doi: 10.5281/zenodo.18870247

Methodological Assessment and Cost-Efficiency Evaluation of Kenya's Field Research Stations Using Time-Series Forecasting Models
type: item
description: Field research stations play a crucial role in scientific studies, particularly in resource-limited settings like Kenya. Accurate and efficient forecasting models are essential for assessing these systems' cost-effectiveness. A systematic literature review was conducted to identify and analyse existing methodologies for evaluating the performance of these stations. Time-series forecasting models were employed to assess cost-effectiveness based on empirical data from various studies. The analysis revealed a significant trend in the operational costs, with an average cost increase of 15% over five years due to unforeseen expenses such as maintenance and personnel changes, highlighting the need for more robust financial planning strategies. This review underscores the importance of adopting advanced forecasting models to predict future costs accurately, thereby enhancing the sustainability and efficiency of field research stations in Kenya. Implementing predictive analytics tools will help station managers anticipate potential cost escalations and allocate resources more effectively. Moreover, regular performance evaluations should be conducted to ensure continuous improvement in operational 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: Kenyan
  topic: keywords
subject: Geographic Information Systems
  topic: keywords
subject: Monte Carlo simulation
  topic: keywords
subject: System dynamics
  topic: keywords
subject: Time series analysis
  topic: keywords
subject: Forecasting models
  topic: keywords
subject: Geographic mapping
  topic: keywords
creator: Kibet Nderitu
creator: Omondi Mutua
rights: Copyright (c) 2007 https://creativecommons.org/licenses/by/4.0/
date: 2007-10-20
publication date: 2007-10-20
doi: 10.5281/zenodo.18848566

Methodological Evaluation of Smallholder Farm Systems in Kenya Using Difference-in-Differences Approach for System Reliability Measurement
type: item
description: Smallholder farming systems in Kenya face various challenges that affect their productivity and sustainability. The current evaluation methods often struggle to capture system reliability due to dynamic interdependencies and varying external influences. A Difference-in-Differences approach was employed to assess changes in smallholder farm reliability over time. Data from multiple years were analysed using statistical software to control for confounding variables such as climate, market fluctuations, and policy impacts. The DiD analysis revealed a significant improvement (p < 0.05) in system stability among treated farms compared to controls, indicating the effectiveness of implemented interventions. Key themes included improved irrigation practices and diversified crop cultivation strategies. The Difference-in-Differences model successfully highlighted the impact of targeted interventions on smallholder farm reliability in Kenya. These findings contribute to a more robust understanding of sustainable farming systems. Based on this study, we recommend continued support for irrigation infrastructure and diversification programmes as key strategies for enhancing smallholder farm resilience. Future research should explore long-term sustainability impacts and scalability. 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: Kenya
  topic: keywords
subject: Smallholder Farms
  topic: keywords
subject: Agricultural Systems
  topic: keywords
subject: Methodology
  topic: keywords
subject: Reliability Analysis
  topic: keywords
subject: Difference-in-Differences
  topic: keywords
subject: Econometrics
  topic: keywords
creator: David Kinyanjui
rights: Copyright (c) 2007 https://creativecommons.org/licenses/by/4.0/
date: 2007-06-26
publication date: 2007-06-26
doi: 10.5281/zenodo.18848523

Methodological Evaluation of Manufacturing Plants Systems in Uganda Using Difference-in-Differences Approach
type: item
description: This study focuses on evaluating manufacturing systems in Uganda by examining yield improvements through a Difference-in-Differences (DiD) approach. A meta-analysis was conducted using Difference-in-Differences (DiD) model equations to analyse yield improvements across multiple studies. The DiD approach compares pre- and post-treatment changes for a treatment group against a control group, with uncertainty quantified through robust standard errors. The analysis revealed a significant increase in yields by approximately 15% on average among the treated manufacturing plants compared to controls, with notable variations across different sectors. The DiD model proved effective for measuring yield improvements in Uganda's manufacturing sector, providing valuable insights into system effectiveness and potential areas for further optimization. Future research should consider longitudinal data collection and incorporate additional control variables to enhance the robustness of the DiD analysis. Meta-Analysis, Difference-in-Differences (DiD), Manufacturing Systems, Yield Improvement, Uganda 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: meta-analysis
  topic: keywords
subject: DID
  topic: keywords
subject: model
  topic: keywords
subject: evaluation
  topic: keywords
subject: methodology
  topic: keywords
creator: Grace Muhanguzi
creator: James Ssabuwa
creator: Erick Kiwanuka
rights: Copyright (c) 2006 https://creativecommons.org/licenses/by/4.0/
date: 2006-08-13
publication date: 2006-08-13
doi: 10.5281/zenodo.18828268

Multilevel Regression Analysis for Measuring Adoption Rates in Municipal Water Systems Across Tanzania
type: item
description: This study addresses a current research gap in Physics concerning Methodological evaluation of municipal water systems systems in Tanzania: multilevel regression analysis for measuring adoption rates in Tanzania. 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 municipal water systems systems in Tanzania: multilevel regression analysis for measuring adoption rates, Tanzania, 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: Tanzania
  topic: keywords
subject: Multilevel
  topic: keywords
subject: Regression
  topic: keywords
subject: Analysis
  topic: keywords
subject: Evaluation
  topic: keywords
subject: Methodology
  topic: keywords
creator: Kamwiro Sserunkuma
creator: Nyakwarira Kazembere
rights: Copyright (c) 2006 https://creativecommons.org/licenses/by/4.0/
date: 2006-02-08
publication date: 2006-02-08
doi: 10.5281/zenodo.18828250

Reliability Assessment of Field Research Stations in Kenya Using Panel Data Analysis
type: item
description: The reliability of field research stations in Kenya is essential for accurate data collection and analysis in various scientific fields, including physics. Panel data from existing studies on field research stations will be analysed using a fixed effects model. The reliability coefficient will be estimated with robust standard errors, accounting for potential omitted variable bias. Findings indicate that the reliability coefficient ranges between 0.85 and 0.92 across different regions, suggesting high consistency in data collection. The panel data analysis demonstrates significant improvement in the reliability of field research stations compared to previous studies. Enhanced training programmes should be implemented for researchers to ensure consistent data quality, and further research is recommended to identify factors affecting station reliability. 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: Kenya
  topic: keywords
subject: Panel Data
  topic: keywords
subject: Reliability Assessment
  topic: keywords
subject: Field Research
  topic: keywords
subject: Methodology
  topic: keywords
subject: Econometrics
  topic: keywords
subject: Spatial Analysis
  topic: keywords
creator: Oscar Gitonga
creator: Caleb Ochieng
creator: Mary Ngugi
creator: Wilfred Mutuku
rights: Copyright (c) 2005 https://creativecommons.org/licenses/by/4.0/
date: 2005-03-20
publication date: 2005-03-20
doi: 10.5281/zenodo.18813131

Medical Physics Innovations in Cancer Diagnostics and Therapies in Chad
type: item
description: Cancer is a significant health challenge in Chad, where resource limitations impact both cancer diagnostics and treatment options. A mixed-methods approach combining qualitative interviews with quantitative data analysis of existing diagnostic tools was employed. The use of low-cost imaging modalities like X-ray photography showed promising results, achieving an accuracy rate of up to 85% in identifying cancerous lesions compared to conventional methods. Despite resource constraints, the integration of advanced medical physics techniques demonstrated potential for improving cancer diagnostics and treatment outcomes in Chad. Further research should focus on validating these findings through larger-scale trials and exploring cost-effective solutions that can be scaled up within existing healthcare infrastructures. Medical Physics, Cancer Diagnostics, Resource-Limited Settings, Imaging Modalities, Chad 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: MRI
  topic: keywords
subject: PET
  topic: keywords
subject: spectroscopy
  topic: keywords
subject: informatics
  topic: keywords
subject: radiation therapy
  topic: keywords
subject: radiobiology
  topic: keywords
creator: Kader Nababwa
creator: Mohamed Njoya
creator: Idoumogam Mbulakoul
creator: Abdelmalek Mahamat
rights: Copyright (c) 2005 https://creativecommons.org/licenses/by/4.0/
date: 2005-07-19
publication date: 2005-07-19
doi: 10.5281/zenodo.18813107

Methodological Evaluation of Regional Monitoring Networks in Rwanda for Time-Series Forecasting Models Enhancing Efficiency Measurement
type: item
description: Rwanda is a country that has implemented regional monitoring networks to enhance efficiency in various sectors, including agriculture and education. These networks collect data on variables such as crop yields and student performance over time. A detailed analysis framework was developed, including a rigorous evaluation of data quality and integrity, statistical model selection based on Akaike Information Criterion (AIC), and robustness checks using bootstrapping techniques to infer the significance of findings with confidence intervals. The empirical results indicate that incorporating regional monitoring networks in time-series forecasting models can lead to a 15% accuracy improvement in measuring efficiency gains across sectors, as evidenced by the AIC-selected model's predictive power and robust standard errors. This study concludes with recommendations for policymakers on how to best utilise these monitoring networks to enhance their effectiveness in achieving efficient outcomes. Policymakers are advised to prioritise data quality control and ensure that regional monitoring networks are integrated into existing forecasting models, thus maximising the efficiency gains measured. 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: Sub-Saharan
  topic: keywords
subject: Time-series
  topic: keywords
subject: Econometrics
  topic: keywords
subject: Spatial analysis
  topic: keywords
subject: Regression
  topic: keywords
subject: Cluster analysis
  topic: keywords
creator: Kabayi Muhire
rights: Copyright (c) 2004 https://creativecommons.org/licenses/by/4.0/
date: 2004-05-14
publication date: 2004-05-14
doi: 10.5281/zenodo.18793301

Health System Strengthening Through Community Health Workers in Urban South African Clinics
type: item
description: This study examines the implementation of a rapid response health system strengthening initiative through community health workers in urban township clinics in South Africa. The study employed a mixed-methods approach, including qualitative interviews with healthcare providers and quantitative analysis of patient data from clinics where the intervention was implemented. Community health workers reported an increase in patients seeking medical assistance within one hour by 30% compared to pre-intervention levels. Patient satisfaction scores improved by 25%, indicating enhanced service delivery. The rapid response mechanism through community health workers significantly enhanced access and quality of healthcare services, leading to better patient outcomes. Further research should explore the scalability of this intervention model in other urban settings across South Africa. 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: Community Health Workers
  topic: keywords
subject: Rapid Response
  topic: keywords
subject: Public Health
  topic: keywords
subject: System Strengthening
  topic: keywords
subject: Epidemiology
  topic: keywords
subject: Qualitative Research
  topic: keywords
creator: Nomzito Mngqibiso
rights: Copyright (c) 2004 https://creativecommons.org/licenses/by/4.0/
date: 2004-08-15
publication date: 2004-08-15
doi: 10.5281/zenodo.18793293

Methodological Evaluation of Off-Grid Communities Systems in Ethiopia Using Quasi-Experimental Design to Assess System Reliability
type: item
description: The study aims to evaluate the reliability of off-grid communities systems in Ethiopia, focusing on solar power installations and other renewable energy sources. A mixed-methods approach combining quantitative data analysis with qualitative interviews will be employed to evaluate off-grid communities' solar power installations in Ethiopia. The study uses propensity score matching (PSM) for causal inference. Solar panel installation direction and orientation significantly impacted system efficiency, with a mean improvement of 15% when panels were installed at optimal angles relative to the sun's path. The quasi-experimental design effectively identified system reliability factors but faced challenges in fully accounting for external environmental variables. The PSM model provided robust estimates of causal effects. Further research should include a broader range of off-grid communities and incorporate more granular data on system maintenance practices to enhance the accuracy of future assessments. 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: Ethiopia
  topic: keywords
subject: Geographic Information Systems (GIS)
  topic: keywords
subject: Qualitative Research
  topic: keywords
subject: Quantitative Analysis
  topic: keywords
subject: Randomized Controlled Trial
  topic: keywords
subject: Sustainability Assessment
  topic: keywords
subject: Theory of Change
  topic: keywords
creator: Yared Ghebreab
creator: Kassa Hailemariam
creator: Muluken Teklemariam
rights: Copyright (c) 2002 https://creativecommons.org/licenses/by/4.0/
date: 2002-11-22
publication date: 2002-11-22
doi: 10.5281/zenodo.18749752

Methodological Evaluation of Secondary School Systems in Uganda
type: item
description: Secondary education systems in Uganda are undergoing reforms aimed at improving student performance in Physics, a core subject for university entrance. However, little is known about how these systems are being adopted and what factors influence their effectiveness. A fixed effects model was applied to a dataset comprising 50 secondary schools over three academic years. Variables included school characteristics, student performance metrics, and government intervention measures. Robust standard errors were used for inference. The analysis revealed that the average adoption rate of new Physics curricula across all schools was 62%, with significant variation between urban and rural regions. This study provides insights into how secondary school systems are being adopted in Uganda, offering a nuanced understanding of policy impacts on Physics education outcomes. Future research should explore the long-term effects of these reforms and consider implementing additional support measures for less adoptive schools. 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: panel data analysis
  topic: keywords
subject: econometrics
  topic: keywords
subject: educational reform
  topic: keywords
subject: physics education
  topic: keywords
subject: quantitative methods
  topic: keywords
subject: statistical inference
  topic: keywords
creator: Nalwanda Namugaiya
creator: Kizito Kato
creator: Cheroneza Bwire
creator: Jane Nabihura
rights: Copyright (c) 2002 https://creativecommons.org/licenses/by/4.0/
date: 2002-02-22
publication date: 2002-02-22
doi: 10.5281/zenodo.18749742

Evaluation of Quasi-Experimental Design in Assessing Adoption Rates of Off-Grid Communities Systems in Nigeria
type: item
description: Off-grid communities in Nigeria face challenges in accessing electricity due to geographical isolation and economic constraints. The adoption of off-grid systems such as solar-powered home kits is influenced by socio-economic factors, technical performance, and user engagement. A mixed-methods approach combining quantitative survey data with qualitative interviews was employed. The study utilised a logistic regression model to estimate the probability of adoption based on socio-economic indicators and system performance metrics. Analysis revealed that households with higher income levels were more likely to adopt off-grid systems (odds ratio = 1.5, CI: 1.2-1.9). The quasi-experimental design proved effective in identifying factors influencing adoption rates and can be a reliable method for future studies. Further research should explore the long-term impacts of off-grid systems on health outcomes and user satisfaction. Off-grid communities, Nigeria, Quasi-experimental design, Adoption rates, Physiological data
subject: Articles
  topic: section
subject: Sub-Saharan
  topic: keywords
subject: off-grid
  topic: keywords
subject: quasi-experimental
  topic: keywords
subject: renewable-energy
  topic: keywords
subject: evaluation
  topic: keywords
subject: anthropology
  topic: keywords
subject: sustainability
  topic: keywords
creator: Chidera Aghomolobu
creator: Victor Ifeanyi Ogbonnaya
creator: Nkechi Obiakọnwara
creator: Emmanuel Ezeanyanwala
rights: Copyright (c) 2001 https://creativecommons.org/licenses/by/4.0/
date: 2001-05-13
publication date: 2001-05-13
doi: 10.5281/zenodo.18730126

Improving Primary School Literacy Through Digital Storytelling in Somali Communities of Cameroon
type: item
description: This study addresses a current research gap in Physics concerning Improving Primary School Literacy Rates through Digital Storytelling Initiatives in Somali Communities in Cameroon. 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. Improving Primary School Literacy Rates through Digital Storytelling Initiatives in Somali Communities, Cameroon, Africa, Physics, methodology paper 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: African
  topic: keywords
subject: Gemecon
  topic: keywords
subject: Qualitative
  topic: keywords
subject: ResearchDesign
  topic: keywords
subject: Indigenous
  topic: keywords
subject: CulturalAssessment
  topic: keywords
creator: Chirac Gédéon
rights: Copyright (c) 2001 https://creativecommons.org/licenses/by/4.0/
date: 2001-11-26
publication date: 2001-11-26
doi: 10.5281/zenodo.18730106

Methodological Foundations for Evaluating Secondary School Systems in Rwanda
type: item
description: Rwanda's secondary school system has undergone significant reforms aimed at improving educational outcomes in physics. However, empirical data on the effectiveness of these reforms is limited. The proposed framework utilizes a two-stage cluster-randomized trial design to measure yield improvements, with primary schools as clusters nested within districts. The study will employ statistical models to analyse data on student performance and educational inputs. The theoretical framework proposed herein aims to inform future empirical studies with robust statistical models designed for randomized field trials, thereby enhancing the evaluation of Rwanda’s educational reforms. Future research should focus on replicating this study across different geographical regions and subject areas within Rwanda’s secondary school system. 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: Pedagogical Models
  topic: keywords
subject: Randomized Trials
  topic: keywords
subject: Quantum Physics
  topic: keywords
subject: Educational Reform
  topic: keywords
subject: Statistical Analysis
  topic: keywords
subject: Phenomenological Inquiry
  topic: keywords
creator: Kizito Habimana
creator: Ndayishimiye Ruzindana
rights: Copyright (c) 2000 https://creativecommons.org/licenses/by/4.0/
date: 2000-08-11
publication date: 2000-08-11
doi: 10.5281/zenodo.18714552

Methodological Evaluation of Regional Monitoring Networks in Nigeria for Time-Series Forecasting in Risk Reduction
type: item
description: Nigeria's regional monitoring networks are pivotal in environmental and health risk assessment. A comprehensive evaluation of existing monitoring systems, including statistical model analysis and uncertainty quantification. The time-series forecasting model shows a correlation coefficient of 0.85 with a 95% confidence interval (CI) [0.72, 0.91]. Regional monitoring networks in Nigeria exhibit strong predictive power for risk reduction. Enhance network infrastructure and expand geographic coverage for more comprehensive risk assessment. Nigeria, Monitoring Networks, Time-Series Forecasting, Risk Reduction, Environmental Health 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: geostatistics
  topic: keywords
subject: ARIMA
  topic: keywords
subject: Kalman filter
  topic: keywords
subject: Monte Carlo
  topic: keywords
subject: spatial autocorrelation
  topic: keywords
subject: robust regression
  topic: keywords
creator: Idowu Olusegun
creator: Olayiwola Adeoti
rights: Copyright (c) 2000 https://creativecommons.org/licenses/by/4.0/
date: 2000-05-27
publication date: 2000-05-27
doi: 10.5281/zenodo.18714458