It was concluded that while retinoblastoma per se is not associated with intellectual superiority or inferiority, retinoblastoma associated with blindness may result in selective cognitive superiority. (Authors)

Compares a group of 32 toddlers with employed mothers with a matched group of 38 toddlers with nonemployed mothers in order to examine the effect of maternal employment on the development of the child. While no differences were found between the two groups in language development and emotional adjustment, children of employed mothers were more…

When differences in level of motivation were controlled, all of the previously found differences between firstborn and later born disappeared. (Authors)

Investigates recall of toy preferences in the parents of 56 four-year-old children classified either as early readers or as nonreaders. Results indicated that early readers cannot be differentiated by IQ or family demographic information alone and that consistent toy preferences precede the acquisition of early reading skills. (Author/CI)