title: Block manipulation by children as a function of social reinforcement, anxiety, arousal, and ability pattern.
mesh_terms: D001007:Anxiety; D001076:Aptitude; D001077:Aptitude Tests; D001143:Arousal; D002648:Child; D002652:Child Behavior; D005260:Female; D006225:Hand; D006801:Humans; D008297:Male; D012056:Reinforcement, Social; D013546:Sweating