%0 Journal Article %T Unidimensionality and Developmental Trajectory of Aggressive Behavior in Clinically-Referred Boys: A Rasch Analysis %A Rapport, Mark %A LaFond, Scott %A Sivo, Stephen %J Journal of Psychopathology and Behavioral Assessment %V 31 %N 4 %P 309-319 %@ 0882-2689 %D 2009-01-14 %I Springer US %~ DeepDyve