An investigation to develop an instrument to determine the problem-solving skills in science of children in grades one, two, and three
Subtitle: a report
By: by Maureen A. Dietz
Publisher: s.n.]
Published: 1968
Place of publication: [s.l
Language: eng
Number of pages: 427
Subjects: Problem solving in children; Reasoning (Psychology) -- Testing
Notes: Microfilm of typescript. Ann Arbor, Mich. : University Microfilms, 1969. -- 1 reel ; 35 mm

Thesis--University of Pennsylvania

Bibliography: leaves 150-156