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Esler, William K.	1
Klausmeier, Herbert J.	1

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The Effectiveness of Experimental Lessons in Accelerating Children's Attainment of the Concept "Tree." Technical Report No. 372.

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Klausmeier, Herbert J.; And Others – 1976

This document reports the results of two studies performed to determine the effectiveness of special lessons in facilitating the attainment by children of the basic concept "tree." The first study, which utilized 103 fifth-grade students, also investigated the effects of pretesting. Results showed no significant effects of pretesting and…

Descriptors: Cognitive Development, Concept Formation, Educational Research, Elementary Education

Elementary Science Materials and the Exceptional Child

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Esler, William K.; And Others – Science Education, 1977

Two pilot studies with 22 mildly retarded children indicate that the Science Curriculum Improvement Study (SCIS) Beginning unit aided development of I.Q. and reading readiness. (SL)

Descriptors: Educational Research, Elementary Education, Elementary School Science, Handicapped Children