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Whether you're an advanced or beginning statistician or researcher, you'll easily identify the appropriate sample size - every time - for any research criteria.
If your sample size is too small, you could miss important research findings. If it's too large, you could waste valuable time and resources. Find the right sample size for your research in minutes and test the possible results before you begin your study, with IBM SPSS SamplePower.
* Strike the right balance among confidence level, statistical power, effect size and sample size
* Compare the effects of different study parameters using flexible analytical tools
* Get up to speed quickly with an interactive guide and built-in help features
* SPSS SamplePower covers these procedures: Means and differences in means, proportions and differences in proportions, correlation, one-way and factorial Analysis of Variance (ANOVA), Analysis of Covariance (ANCOVA), regression and logistical regression, survival analysis and equivalence tests
* Operating systems supported: Windows