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Excerpt from Errors of Measurement and Correlation
I am indebted chiefly to Dr. Edward L. Thorndike, who has sponsored this study, for advice, encouragement, and inspiration. Dr. Henry E. Garrett, Dr. Henry A. Ruger, and Dr. Helen M. Walker have contributed invaluable advice during the progress of the investigation. I am indebted to Mr. Jack W. Dunlap, Dr. Laura H. V. Kennon, Dr. Irving Lorge, and Dr. Ella Woodyard for reading the manuscript and offering many helpful suggestions.
My interest in the problems discussed is due mainly to Dr. Truman L. Kelley of Harvard University. The pioneer work of Professor C. Spearman of the University of London has laid the foundations for all subsequent investigations in correlational psychology.
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Errors of Measurement and Correlation (Classic Reprint)
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Paperback. Zustand: New. Print on Demand. This book delves into the complexities of measurement and correlation in the field of psychology and education. The author, a pioneer in the field, scrutinizes the assumptions underlying statistical formulas commonly used to analyze data from mental and educational tests, a practice prevalent in the early 20th century. The author challenges conventional wisdom, highlighting the need for meticulous examination of these assumptions when applied to test scores, especially regarding the equality of units and the independence of errors. The book offers a comprehensive exploration of reliability, validity, and the correction for attenuation, crucial concepts in evaluating the accuracy and effectiveness of tests. It also examines the influence of different types of errors, such as response errors and test errors, on the interpretation of test results. Furthermore, the book delves into the influential "theory of factors," a concept used to analyze the structure of mental abilities by identifying underlying factors influencing test scores. This groundbreaking work provides a foundational understanding of these essential concepts, paving the way for a more nuanced and informed approach to measurement and correlation in psychological and educational research. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781334434129_0
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