This group activity illustrates the concepts of size and power of a test through simulation. Students simulate binomial data by repeatedly rolling a ten-sided die, and they use their simulated data to estimate the size...
This activity makes use of a campus-based resource to develop a "capstone" project for a survey sampling course. Students work in small groups and use a complex sampling design to estimate the number of new books in the...
This tutorial, created by Thomas W. MacFarland of Nova Southeastern University, explains the theory and use of the Mann-Whitney test and demonstrates it with an example on traditional lecture versus computer-based...
This collection of tutorials, authored by Thomas W. MacFarland of Nova Southeastern University, demonstrates various statistical topics with data and provides SPSS and Minitab code. Topics covered: measures of central...
Validation of psychological tests has not yet been adequately conceptualized, as the APA Committee on Psychological Tests learned when it undertook (1950-54) to specify what qualities should be investigated before a...
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