Supplementary mathematical analysis and comparison with the results of tests. This report is one of a series issued in cooperation with the Army-Navy-Civil Committee on Aircraft Design Criteria under the supervision of the Aeronautical Board.
Published November 1956. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published January 1956. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
The plan of the present study was as follows:
1. A survey was made of professional textbooks dealing with methods of teaching science and biology. Only books published since 1920 were used.
2. Recently published high school textbooks, workbooks and laboratory manuals, and teachers' guides were reviewed for teaching aids....