TY  - BOOK
AU  - Arnspiger,Varney Clyde
TI  - Measuring the effectiveness of sound pictures as teaching aids
SN  - 0404555659
PY  - 1933///
CY  - Columbia University, New York
PB  - Teachers College
KW  - Motion pictures in education
KW  - Sound motion pictures
KW  - Natural history
KW  - Study and teaching
KW  - Music
KW  - Instruction and study
N1  - '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)
ER  -