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Methods of research
Techniques used in research
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Administration Analysis applied assumptions Bibliography Bulletin Bureau of Education Bureau of Publications Case-Group Method cation central tendency Chap CHAPTER Check Lists Citations coefficient of correlation collecting data Columbia University computed conclusions constructing Contributions to Education course in Methods desirable determine diagram Doctors of Philosophy Educa Educational Psychology Educational Research Eleven Univer employed error or standard experiment experimental factor footnotes formulas grade Grammar of Science graph High School Hundred Dissertations included Index interview investigator Journal of Educational judges Judgments or ratings large number Macmillan Company McCall measures of variability mental ments Methods of Research obtained persons possible present Probable error problem procedures Public School published pupils questionnaire questions reader record references reliability coefficient research worker Ruch sampling scale sources Spearman-Brown standard deviation standard error statement Statistical Methods statistical treatment subjects tables Teachers College test items tion trait University of Iowa validity writers York