Measuring the effectiveness of sound pictures as teaching aids - Arnspiger, Varney Clyde, 1896- (Columbia University, New York : Teachers College, 1933)
'The present study is ... in the fields of natural science and music in grades 5 and 7, respectively.'--p. 9.
Issued also as thesis (Ph. D.) Columbia University.
Bibliography: p. 95; Bibliography at end of'Typical unit of instruction ... for the unit amphibian' (p. 106-107)
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Keywords: Motion pictures in education; Sound motion pictures; Natural history -- Study and teaching; Music -- Instruction and study