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Cohen, Herbert G. – 1981
This study was designed to examine effects that access to manipulatives in science instruction have with respect to the development of spatial conceptual abilities and whether the effects were different for males and females. A secondary purpose of this investigation was to examine what relationship sex and access to manipulatives in conjunction…
Descriptors: Cognitive Development, Cognitive Processes, Elementary Education, Elementary School Science
Payne, V. Gregory – 1981
A study was designed to determine the effects of various ball sizes on children's catching ability and to examine the results as a between- and within-group factor. It was believed that the use of the two-test design would help to establish the validity of past and future tests of this nature. The between-subjects design group consisted of 48…
Descriptors: Difficulty Level, Elementary Education, Grade 1, Manipulative Materials