Adolescents: Behavior and Development

ability achievement adjustment adoles adolescents adult Afro-American aggression anxiety average Black body build boys and girls Chapter characteristics cheating child classical conditioning cognitive concept correlation culture delinquency developmental disadvantaged discussed drive earlier early maturing ectomorphs effects eleventh grade endomorph example factors fathers females frustration function goals grade growth hair high school homosexual ical important individual intellectual intelligence tests interaction late maturers learning less lower-class male marriage masculine McCandless measure menarche ment mesomorphic middle-class moral identification mothers opportunities parents pattern peers percent perhaps physical population predicted primary sex characteristics problems psychology puberty pubic hair reasons reinforcement reported role sample scores secondary sex characteristics seems sexual behavior skills social class society somatotype status subjects suggest teachers theory tion United verbal women young youngsters youth