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A CRUCIAL EXPERIMENT RESUBMITTED
3i HISTORICAL RESEARCH
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Achievement Test analysis Anomy answer aptitude scores Asherah average Barber behavior boys child classroom coefficient cognitive conclusions concurrent validity control group correlations counselors differences Educational Psychology educational research effect size evaluation ex-post-facto expectancy experiment Experimenter Bias Effect extraneous variables female findings girls grade Gumpgookies high school hypothesis independent variables indicated influence interest internal validity interview Inventory investigations Journal KOIS lecture male Math McGuffey McGuffey Readers mean measures method obtained occupation open classroom open school outcome parents percent persons population predictive validity pretest problem procedures Psychology psychotherapy pupils questionnaire questions ratings Readers reading regression regression analysis relationship replication reported responses Rosenthal sample scale Sedlacek selected self-esteem significant social stanine statistical subjects subtest suggest systematic desensitization Table teachers teaching test results test scores therapy tion treatment group undecided urban Verbal aptitude Vocational Wentworth County Wentworth South