G* power is a free statistical software that allows the user to determine the sample size needed based on a wide variety of tests.
Multiple Regression Power Analysis
stats.idre.ucla.edu/wp-content/uploads/2016/02/ano
PDF] Sample size determination and power analysis using the G
Power analysis for paired sample t-test
Power analysis with G*Power: A priori power analysis for Pearson's
Power analysis for same model as ANOVA vs as multiple
Calculating Sample Size: Cohen's Tables and G. Power - ppt download
OpenEpi - Sample Size for Unmatched Case-Control Studies
Power and Effect Size
G*Power - Factorial between group ANOVA minimum sample size
Calculating Sample Size: Cohen's Tables and G. Power - ppt download
Fundamentals of estimating sample size
G*Power Sample Size Calculations: 5 Min Demo
Computing sample size for a Chi squared test using GPower 3
Sample size calculation using G*Power3