Research Tools that I have made |
Effect Sizes
Kroes, A. D. A., & Finley, J. R. (2023). Demystifying omega squared: Practical guidance for effect size in common analysis of variance designs. Psychological Methods. doi:10.1037/met0000581 Supplemental Materials here.
Omega Squared formulas quick reference: covers various ANOVA designs : OmegaSquaredQuickRef_JRF_3-31-13.pdf
Effect Size Tutorial presentation: shows how to calculate Omega squared from SPSS output : EffectSizeTutorial_4-1-13b.pptx
Example of calculating Cohen's d in Excel: EffectSize_CohensDexample.xlsx
Ordinal Correlation
Notes on comparing two Kendall's Tau correlation coefficients: ComparingKendallsTaus.docx
R code for comparing Tau-b coefficients, independent or dependent: CCseJRFcompare4.r
Programming in Flash/ActionScript3
Programming in MatLab + Psychtoolbox3
Code to implement a free response question: MatLab_PTB3_FreeResponse.zip
Statistics in R
Guide to Univariate & Multivariate Approaches to Mixed-Design 2-Way ANOVA in R
Statistics in Excel
How to do the sign test in Excel
Correlation and Regression class exercise
Correlation and Regression example
Chi Square Test for Independence
Misc