%0 Journal Article %T Heterogeneity of Variance in Experimental Studies: A Challenge to Conventional Interpretations %A Bryk, Anthony S. %A Raudenbush, Stephen W. %J Psychological Bulletin %V 104 %N 3 %P 396-404 %@ 0033-2909 %D 1988-11-01 %I American Psychological Association %~ DeepDyve