SamplePower 2.0
Introduction
In just a few easy steps, SamplePower helps you find the best sample size for your research. It comes with an interactive guide and built-in help features, so you won't lose time getting up to speed. SamplePower is developed by SPSS and a team of experts, including Michael Borenstein, Hannah Rothstein and Jacob Cohen, author of Statistical Power Analysis for the Behavioral Sciences.
Features
SamplePower is designed to cover:
- Means and differences in means
- Proportions and differences in proportions
- Correlation
- Oneway and factorial Analysis of Variance (ANOVA)
- Analysis of Covariance (ANCOVA)
- Regression and logistical regression
- Survival analysis
- Equivalence tests