Early-life exposures are critical for later child cognitive development. McCarthy Scales of Children's Abilities (MSCA) were used to assess cognitive development of 700 preschoolers (M[subscript age] = 4.2 years), derived from the "Rhea" birth cohort, in Greece. Principal component analysis (PCA) was applied on prospectively collected…

This study aims to investigate the developmental status of rural Chinese children, the extent of interactive parenting they receive, and the relation between the two. A sample of 448 six to eighteen-month-old children and their caregivers were randomly selected from two rural counties in Hebei and Yunnan provinces. According the third edition of…

Three sources of variability in school achievement of children from demographically homogeneous families were identified: (1) socioeconomic status, (2) family configuration, which are direct and environmentally mediated effects of families' demographic characteristics, and (3) individual differences in the quality of the early environment. (RH)