TY - BOOK AU - Newcomb,Theodore M. TI - Readings in social psychology U1 - 100 PY - 1947/// CY - Estados Unidos PB - Henry Holt and company KW - FilosofĂ­a N1 - Ability, differences or, in twins, to solve problems; abstraction, levels of, process of; accentuation in perception; acculturation; achievement, and aspiration level ER -