TY - GEN AU - Crognier,E AU - Baali,A AU - Hilali,M K TI - Do "helpers at the nest" increase their parents' reproductive success? SN - 1042-0533 PY - 2001///0809 KW - Adolescent KW - Adult KW - Analysis of Variance KW - Birth Intervals KW - Birth Order KW - Child KW - Child Care KW - economics KW - Family Characteristics KW - ethnology KW - Female KW - Fertility KW - physiology KW - Gender Identity KW - Helping Behavior KW - Humans KW - Male KW - Middle Aged KW - Morocco KW - Nuclear Family KW - Parents KW - Parity KW - Postmenopause KW - Regression Analysis KW - Reproduction KW - Sex Factors KW - Social Values KW - Surveys and Questionnaires KW - Workload N1 - Publication Type: Journal Article UR - https://doi.org/10.1002/ajhb.1060 ER -