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Research and the scientific method
READING INTRODUCTORY SECTIONS
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ability achievement analysis of variance analyzing ANOVA answers Appendix appropriate assigned association studies attitudes CHAPTER Children's Play Behavior classroom conclusions Control Among Black control group cooperative data analysis data collection descriptive statistics difference studies Educational Research Effects of Peer example experimental F-ratio factorial design factors female findings grades high school independent variable indicate individualistic inferential statistics instruments intelligence interaction internal validity interpretation interval Journal learning level of measurement males mathematics mean measure ment normal distribution null hypothesis observed Peer Presence Perceptions of Social performance population prediction problem statement procedures questions random randomly READING METHOD SECTIONS regression reinforcement relationship reliability research design research problem responses results section scale scores selected social control sociometric techniques standard deviation standard scores statistical tests statistically significant subjects Table task teachers technique test anxiety tion toys treatment administration urban center validity values variation verbal