Increased emphasis has been placed on children's ability to enter kindergarten ready to learn, a concept referred to as "school readiness." School readiness has been defined by the Maryland State Department of Education as "the stage of human development that enables a child to engage in, and benefit from, primary learning…

Evaluation of 54 mentally retarded pupils, aged 10 to 13, in 1979 and comparison with six samples of mentally normal pupils collected during the last two decades confirm that prevalence of additional problems among mentally retarded pupils is greater as compared to mentally normal pupils with respect to nine variables. (NEC)

This study, part of a naturalistic longitudinal study of infants being reared in a variety of family life styles, attempted to establish the extent to which differing parenting patterns affected early developmental outcomes. Subjects were 200 infants: 50 of single mothers who headed their family units, 50 of mothers in communal living groups, and…