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CHAPTER PAGE I The Problem and Procedure
The Conditions of the Experiment
The Equivalence of Groups Within a County
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Allegany County Board of Education certificate child Children Tested classroom Coef Columbia University Combined Test Experimental Composition Compre Control Group Ave Control Group Grade County Experimental Group County in Grades county seat county superintendent County Test Experimental courses of study differences favor experiment experimental coefficient points Experimental Group Ave Experimental Group Control False True False favor the control favor the experimental final tests five counties Garrett County Group Control Group Harford County hension high school Holloway Howard County improvement median county ment Control Group ment Diff ment Sigma Minimum number Average minutes in talking Miss Holloway's Montgomery County Normal School Number of Children participation in curriculum prove Queen Anne's County ranks Reading rural schools salaries secure Sigma Diff Speed Maximum number statements superintendent of schools Table 22 Talbot County teacher participation Teachers College teaching Test Experimental Group Tested Ave Tested Sigma Ave tests were given True False True Wicomico County