userfriendlyscience (version 0.5-1)

testRetestSimData: testRetestSimData is a simulated dataframe used to demonstrate the testRetestAlpha coefficient function.

Description

This dataset contains the true scores of 250 participants on some variable, and 10 items of a scale administered twice (at t0 and at t1).

Usage

data(testRetestSimData)

Format

A data frame with 250 observations on the following 21 variables.

Details

This dataset was generated with the code in the reliabilityTest.r test script.

Examples

data(testRetestSimData);
head(testRetestSimData);
hist(testRetestSimData$t0_item1);
cor(testRetestSimData);