item.total {multilevel}R Documentation

Item-total correlations

Description

This function calculates item-total correlations in multi-item scales.

Usage

item.total(items)

Arguments

items A matrix or dataframe where each column represents an item in a multi-item scale.

Value

Variable Variable examined in the reliability analyses.
Item.Total The item-total correlation.
Alpha.Without The Cronbach Alpha reliability estimate of the scale without the variable.
N The number of observations on which the analyses were calculated.

Author(s)

Paul Bliese paul.bliese@us.army.mil

References

Cronbach L. J. (1951) Coefficient Alpha and the internal structure of tests. Psychometrika, 16,297-334

See Also

cronbach

Examples

   data(bhr2000)
   item.total(bhr2000[,2:11])

[Package multilevel version 2.3 Index]