Intellectual Development Beyond Elementary School VI, Controlling Variables [electronic resource] : A Survey / Warren Wollman.

Reported is a study of 1555 students, grades 4-12, regarding understanding the concept of controlling variables. Subjects were examined on a task involving spheres rolling down an incline and striking a target sphere; they were evaluated upon their explanations of answers, not their choice of answer...

Full description

Bibliographic Details

Online Access:	Full Text (via ERIC)
Main Author:	Wollman, Warren
Corporate Author:	Lawrence Hall of Science
Format:	Electronic eBook
Language:	English
Published:	[S.l.] : Distributed by ERIC Clearinghouse, 1976.
Subjects:	Cognitive Ability. Cognitive Development. Conservation (Concept) Educational Research. Elementary Secondary Education. Intellectual Development. Science Education.