“…For instance, commonly used measures like the Behavior Assessment System for Children or the Child Behavior Checklist (Achenbach, 1999), despite excellent psychometric properties, have been criticized as too lengthy, too expensive, and not sensitive enough to change to be administered on a continual or session-by-session basis (Burns, 2002;Drotar, Stein, & Perrin, 1995;Perrin, Stein, & Drotar, 1991).…”