TY - GEN AU - Oberlander,M I AU - Frauenfelder,K J AU - Heath,H TI - Ordinal position, sex of sibling, sex, and personal preferences in a group of eighteen-year-olds SN - 0022-006X PY - 1971///0204 KW - Adolescent KW - Birth Order KW - Female KW - Group Processes KW - Humans KW - Male KW - Personality Development KW - Sex Factors KW - Sibling Relations KW - Social Behavior N1 - Publication Type: Journal Article UR - https://doi.org/10.1037/h0029589 ER -