A study of the performance of monozygotic and dizygotic twins and siblings on measures of scholastic aptitude, creativity, achievement motivation, and academic achievement
By: by John D. Davenport
Publisher: s.n.]
Published: 1967
Place of publication: [s.l
Language: eng
Number of pages: 213
Subjects: Genetic psychology; Twins; Brothers and sisters; Ability -- Testing
Notes: Vita

Microfilm of typescript. Ann Arbor, Mich. : University Microfilms, 1967. -- 1 reel ; 35 mm

Thesis--University of Maryland

Bibliography: leaves 210-213