Results 41 to 50 of about 4,020,994 (116)

Computing Multivariate Effect Sizes and Their Sampling Covariance Matrices With Structural Equation Modeling: Theory, Examples, and Computer Simulations

Frontiers in Psychology, 2018
In the social and behavioral sciences, it is recommended that effect sizes and their sampling variances be reported. Formulas for common effect sizes such as standardized and raw mean differences, correlation coefficients, and odds ratios are well known ...
Mike W.-L. Cheung
doaj   +1 more source

Are biologically meaningful effect sizes a factor in study design? A systematic review of translational chronic variable stress studies

Experimental Physiology
The design of in vivo studies using laboratory animals is normally guided by the 3Rs: Replacement, Reduction and Refinement. The concept of Reduction is particularly important in the context of estimating sample size; the selected sample size should ...
Crispin Jordan, Nicola Romanò, John Menzies   +2 more
doaj   +1 more source

HIV-related stigma and associated factors: a systematic review and meta-analysis

Frontiers in Public Health
BackgroundIt has been recognized that HIV-related stigma hinders efforts in testing, treatment, and prevention. In this systematic review, we aimed to summarize available findings on the association between HIV-related stigma and age, social support ...
Zelalem G. Dessie, Zelalem G. Dessie, Temesgen Zewotir   +2 more
doaj   +1 more source

Measuring Distribution Similarities Between Samples: A Distribution-Free Overlapping Index

Frontiers in Psychology, 2019
Every day cognitive and experimental researchers attempt to find evidence in support of their hypotheses in terms of statistical differences or similarities among groups.
Massimiliano Pastore, Antonio Calcagnì
doaj   +1 more source

Statistical Power and Effect Size in Educational and Psychological Research [PDF]

Journal of Islamic Studies, 2011
The study aimed at identifying statistical power and effect size in number of published research in Education and Psychology. In addition, discovering how much researchers are committed to provide results with enough requirements to calculate both ...
Faisal Ahmad Abdelfattah
doaj  

Implications for Systemic Approaches to COVID-19: Effect Sizes of Remdesivir, Tocilizumab, Melatonin, Vitamin D3, and Meditation

Journal of Inflammation Research, 2021
Ryan D Castle,1 Michelle A Williams,2 William C Bushell,3 J Adam Rindfleisch,4 Christine Tara Peterson,5 James Marzolf,6 Kimberly Brouwer,7 Paul J Mills8 1Science Division, Whole Health Institute, Bentonville, AR, USA; 2Harvard T.H. Chan School of Public
Castle RD, Williams MA, Bushell WC, Rindfleisch JA, Peterson CT, Marzolf J, Brouwer K, Mills PJ   +7 more
doaj  

Statistical significant change versus relevant or important change in (quasi) experimental design: some conceptual and methodological problems in estimating magnitude of intervention-related change in health services research

International Journal of Integrated Care, 2002
This paper aims to identify problems in estimating and the interpretation of the magnitude of intervention-related change over time or responsiveness assessed with health outcome measures.
Berrie Middel, Eric van Sonderen
doaj  

The impact of boarding school on student development in primary and secondary schools: a meta-analysis

Frontiers in Psychology
As a long-established model of schooling, the boarding system is commonly practiced in countries around the world. Numerous scholars have conducted a great deal of research on the relationship between the boarding school and student development, but the ...
Zhiyong Zhong, Yang Feng, Yongqi Xu
doaj   +1 more source

The effects of GenAI on learning performance: A meta-analysis study

Educational Technology & Society
Artificial Intelligence (AI) has become increasingly prevalent in education, and Generative AI (GenAI) has emerged as a new concept in AI technology. Educators continue to debate the advantages and disadvantages of GenAI in education.
Seyfullah Gökoğlu and Fatih Erdoğdu
doaj   +1 more source

Meta-analyzing correlation matrices in the presence of hierarchical effect size multiplicity. [PDF]

Res Synth Methods
Scherer R, Campos DG.
europepmc   +1 more source