PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.
Da: PBShop.store UK, Fairford, GLOS, Regno Unito
EUR 24,54
Quantità: 15 disponibili
Aggiungi al carrelloPAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.
Da: Forgotten Books, London, Regno Unito
EUR 16,00
Quantità: Più di 20 disponibili
Aggiungi al carrelloPaperback. Condizione: 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.