splithalf_reliability: Spearman-Brown prophecy formula for split-half reliability

In DavideMassidda/testing: Psychometric Testing

Spearman-Brown prophecy formula for split-half reliability

Description

Calculate the split-half reliability using the correlation between two halves of an item set, corrected by the Spearman-Brown prophecy formula.

Usage

splithalf_reliability(x1, x2)

Arguments

x1	A data frame for the first split, in which the rows represents the subjects and the columns the items.
x2	A data frame for the second split, in which the rows represents the subjects and the columns the items.

Details

Missing data are treated by using listwise deletion.

See Also

cronbach_alpha

Examples

data("drive")
splithalf_reliability(drive[,5:7], drive[,8:10])

DavideMassidda/testing documentation built on Oct. 12, 2023, 4:32 p.m.