A comprehensive home assessment was performed for 116 families whose twins were
participants in a longitudinal study of early mental development. A large number of rating
and observations made by a social worker during the home visit were condensed via factor
analysis into four primary scores: adequacy of the home environment, maternal
temperament, maternal cognitive skills, and maternal social-affect. The HOME scales of
Caldwell (1978) were also completed, and all scores were combined with previously …