sed: Standard error of difference

In cddesja/validateR: Psychometric validity and reliability statistics in R

Description

Calculate the standard error of difference given the SEM of two tests or the reliablity of two tests and the standard deviation of the total test scores

Usage

sed(sem1, sem2, type = "sem", sigma = NULL)

Arguments

sem1	Either the SEM or reliablity of the 1st test
sem2	Either the SEM or reliability of the 2nd test
type	Either sem, if specifying SEMs or r, if specifying reliability estimates
sigma	The standard deviation of the test scores if reliablity estimates were provided

cddesja/validateR documentation built on May 13, 2019, 2:33 p.m.