excludes observations with missing values using listwise deletion. This example does not examine the correlation matrix but assumes that all items are positively correlated. Normally, you want to ...

Journal of Educational Measurement, Vol. 45, No. 2 (Summer, 2008), pp. 179-193 (15 pages) This article extends the Bonett (2003a) approach to testing the equality of alpha coefficients from two ...

A method is devised which shows how to determine quickly, but exactly, the discriminant and criterion-related validity of composite measures. It is also shown how the same method can be used to do ...