Differentiation of primary mental abilities.

Bibliographic Details

Main Author:	Heinonen, Veikko
Format:	Book
Language:	English
Published:	Jyvaskyla : Jyvaskylan Yliopistoyhdistyksen ja Kasvatusopillisen Korkeakoulun kustantama, 1963.
Series:	Jyväskylä studies in education, psychology, and social research ; 2.
Subjects:	Intelligence tests. Ability grouping in education.