Primary caregiving parents and teachers rated (1 = extremely untrue of your [this] child; 7 = extremely true of your [this] child) children’s attention focusing (9 Items for parents and 8 for teachers; e.g., “When drawing or coloring in a book, shows strong concentration”; αs = .74 and .69 at T1 and T3, respectively, for parents and .85 and .81 for teachers), attention shifting (9 items for parents and teachers; e.g., “Can easily shift from one activity to another”; αs = .80 and .83 at T1 and T3 for parents and .86 and .87 for teachers), and inhibitory control (13 items for parents and teachers; e.g., “Can lower his/her voice when asked to do so”; αs = .84 and .85 for parents and .88 and .84 for teachers) using the Child Behavior Questionnaire (CBQ, Rothbart et al., 2001, and an unpublished earlier version of attention shifting scale, M. K. Rothbart, personal communication, 1992). Prior to forming the composite scores, 32 experts in the field rated how much each item reflected temperament versus behavior problems (1 = much better measure of