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- catalog contributor b9465839.
- catalog created "1928.".
- catalog date "1928".
- catalog date "1928.".
- catalog dateCopyrighted "1928.".
- catalog extent "viii, 172 p.".
- catalog isPartOf "Publications of the National Bureau of Casualty and Surety Underwriters. Educational series, vol. II".
- catalog issued "1928".
- catalog issued "1928.".
- catalog language "eng".
- catalog publisher "New York, National Bureau of Casualty and Surety Underwriters,".
- catalog subject "BF317 .V3 1928".
- catalog subject "Child psychology.".
- catalog subject "Comparison (Psychology)".
- catalog subject "Educational psychology.".
- catalog subject "Psychophysiology.".
- catalog subject "Reaction time.".
- catalog title "Positive versus negative instruction; an experimental study of the effects of various types of instruction on behavior, by James Vaughn with an introd. by Charles H. Judd.".
- catalog type "text".