POWER ANALYSIS

Traditionally, data collected in a research study is submitted to a significance test to assess the viability of the null hypothesis. The p-value provided by the significance test, and used to reject the null hypothesis, is a function of three factors: The larger the observed effect, the larger the sample size, and/or the more liberal the criterion required for significance (alpha ), the more likely it is that the test will yield a significant p-value... Sample Size - Power Analysis Software: To find or calculate the sample size for a planned study. Power And Precision is a computer program for statistical power analysis. This software features an extremely clear interface, and it allows researchers to create reports, tables and graphs. Free trial download.

Primary location: Englewood United States