%0 Journal Article %T Comparison of Three Techniques to Assess Group-Level Beta and Gamma Change %A Schmitt, Neal %A Pulakos, Elaine D. %A Lieblein, Amy %J Applied Psychological Measurement %V 8 %N 3 %P 249-260 %@ 0146-6216 %D 1984-07-01 %I Sage Publications %~ DeepDyve