TY - BOOK AU - Truner,Robert G.ed AU - Willerman,Lee ed TI - Readings about individual and group differences SN - 0716710153 AV - BF 697 .R38 PY - 1979/// CY - San Francisco PB - Freeman KW - Difference (psychology) KW - Intelligence levels KW - Nature and nurture KW - Psychology, pathological ER -