TY - GEN AU - Leyendecker,B AU - Lamb,M E AU - Scholmerich,A AU - Fricke,D M TI - Contexts as moderators of observed interactions: a study of Costa Rican mothers and infants from differing socioeconomic backgrounds SN - 0165-0254 PY - 2000///1012 KW - Adolescent KW - Age Factors KW - Americas KW - Behavior KW - Birth Order KW - Birth Rate KW - Central America KW - Costa Rica KW - Demography KW - Developing Countries KW - Economics KW - Family Characteristics KW - Family Relations KW - Fertility KW - Infant KW - Interpersonal Relations KW - Latin America KW - Mothers KW - North America KW - Parents KW - Population KW - Population Characteristics KW - Population Dynamics KW - Reproductive History KW - Socioeconomic Factors N1 - Publication Type: Journal Article UR - https://doi.org/10.1080/016502597384965 ER -