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Science and the Scientific Approach
Problems and Hypotheses
Constructs Variables and Definitions
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analysis of variance analyzed anxiety asked assigned attitudes basic behavior chance Chap chapter characteristics coefficient of correlation compute concepts construct validity control group crossbreak defined definition dependent discussion Educational Psychology educational research effect equal error variance ex post facto example experiment experimental groups F ratio factor analysis frequencies hypotheses important independent variable indicated individual inferences intelligence interaction internal validity interpretation interview investigator large number manipulation matrix means measure ment methods objects observation obtained ordered pairs outcomes persons population possible predicted pretest probability procedure psychological pupils Q methodology Q sort question random samples rank orders relation reliability research design research problem responses sample space scientific scientist scores significant simple situation social class Social Psychology standard deviation standard error statistical student subjects subsets sum of squares teachers theoretical theory tion total variance types values York