Changes in achievement following the removal of certain physical defects in elementary school pupils

Description

Thesis (Ph. D.)--University of Pennsylvania, 1931. / "The pupils chosen as subjects for this study were enrolled ... in six Philadelphia, Pennsylvania, public schools."--P. 23. Bibliography: p. 100-106.

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1. http://catalog.hathitrust.org/api/volumes/oclc/1280788.html

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Additional Fields

Identifer	oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/580856651
Date	January 1931
Creators	Chambers, Raymond Lippincott.
Publisher	Philadelphia,
Source Sets	OCLC
Language	English
Detected Language	English