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BACKGROUND AND SETTING OF THE PRESENT
TESTING THE HYPOTHESES
CRITICAL LEVELS OF CLASS SIZE
7 other sections not shown
American Schools ANALYSIS OF VARIANCE Bureau of Publications chance Chapter class size classroom computation considered converted Cornell critical level Design determine develop differences diffusion distribution early introduction educational adaptability educational invention effects error exists expect experience factors five follow FOUR NEW JERSEY Francis G given grade Guide hundred hypothesis importance included indicate individual instruction invention inventor JERSEY COMMUNITIES large classes late diffusion less mean score means of sizes measure medium medium-sized classes method Mort needs occur Opinion parents pattern Paul period population possible practice present study principals probability problem pupils questionnaire reason relationship relative Research sample school systems scores selected shown in Table significant situation sizes of class small classes stage statistical statistically significant suggest Supplement System B System T-scores taught Teachers College teaching techniques tion twelve varied various whole York