Dealing with confounders: stratification The meaning of confounding and correction through stratification Stijn Venema March 29, 2020 Statistics SPSS
Using the t-test for comparing averages between groups Understanding and interpreting the t-test and using SPSS. Stijn Venema March 28, 2020 Statistics SPSS
Understanding the p-value A short explanation of the meaning, usage (SPSS) and interpretation of the p-value Stijn Venema March 27, 2020 Statistics SPSS