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)

This study is an attempt to document the connection between the way children construct mathematics in the second grade and the way student teachers construct their knowledge base. The study examines how student teachers integrate their formal and informal knowledge of mathematics and mathematics pedagogy with the reality of the second grade…