Practical Statistics for Educators
This book teaches basic statistics to educators in a clear, concise format. Using examples related to the school and the classroom, it impels the student to better grasp and appreciate the application of statistics to education. The second edition offers a more comprehensive text for students in statistics courses who have to carry out a research project, or for educators who want to study their own practice. It includes two new chapters-an overview of research designs, and a guide for students as they conduct their own research project. The focus is on understanding concepts, the rationale for applying and using the various statistics, and the interpretation of the results. Practical Statistics for Educators is accompanied by the second edition of Workbook to Accompany Practical Statistics for Educators.
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An Overview of Educational Research
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achievement test assessed axis box plot chapter class intervals column compared computations conducted control group correlation coefficient critical value cumulative frequencies data look descriptive statistics designs district examinees example expected frequencies experimental group extraneous variables F-ratio Figure formula frequency distribution frequency polygon ft ft ft grade higher HINT histogram hypothesis of difference independent variable inferential statistics internal validity intervention Literature Review measures paired median method normal curve normally distributed norms null hypothesis number of students numerical data observed frequencies one-way ANOVA paired or independent Pearson percentages percentile rank phase population posttest scores predict predictor variables pretest proposal qualitative research random ratio scale raw scores regression relationship reliability represented ri ri ri sample scale of measurement scattergram scores obtained sets of scores standard deviation stanines statistical tests statistically significant study's Table target behavior teacher test scores two-way ANOVA variance