The relationship of intelligence and achievement to brith order, sex of sibling, and age interval.

THE RELATION OF "PRIMARY MENTAL ABILITIES" IN FIVE- AND SIX-YEAR-OLDS TO SEX OF CHILD AND CHARACTERISTICS OF HIS SIBLING1

1954 • 90 citations

Birth order and intelligence.

1929 • 42 citations

LE NIVEAU INTELLECTUEL DES ENFANTS D'UNE MEME FAMILLE

1954 • 19 citations

A Preliminary Study of Intelligence as a Function of Birth Order

1928 • 12 citations

The Effects of Primogeniture on Intellectual Capacity.

1924 • 10 citations

A Study of the Relation of Age Interval to Degree of Resemblance of Siblings in Intelligence

1933 • 9 citations

A longitudinal study of sibling resemblances in intelligence and achievement.

1956 • 7 citations