Item-total correlations
This function calculates item-total correlations in multi-item scales.
item.total(items)
items |
A matrix or dataframe where each column represents an item in a multi-item scale. |
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. |
Paul Bliese paul.bliese@moore.sc.edu
Cronbach L. J. (1951) Coefficient Alpha and the internal structure of tests. Psychometrika, 16,297-334
data(bhr2000) item.total(bhr2000[,2:11])
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