TY - GEN AU - Belmont,L AU - Wittes,J AU - Stein,Z TI - Relation of birth order, family size and social class to psychological functions SN - 0031-5125 PY - 1978///0417 KW - Adult KW - Birth Order KW - Family Characteristics KW - Humans KW - Intelligence Tests KW - Male KW - Psychological Tests KW - Social Class N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.2466/pms.1977.45.3f.1107 ER -