TY - GEN AU - Devellis, Robert TI - Scale development : theory and applicaitons SN - 978-1-15063-4156-9 U1 - 300.72/DeV PY - 2016/// CY - Los Angeles PB - Sage Publications Pvt. Ltd. KW - Research methodology KW - Social science KW - Scaling N1 - 1. Overview General Perspectives on Measurement Historical Origins of Measurement in Social Science Later Developments in Measurement The Role of Measurement in the Social Sciences Summary and Preview Exercises 2. Understanding the Latent Variable Constructs versus Measures Latent Variable as the Presumed Cause of Item Values Path Diagrams Further Elaboration of the Measurement Model Parallel Tests Alternative Models Exercises Note 3. Reliability Methods Based on the Analysis of Variance Continuous versus Dichotomous Items Internal Consistency Reliability Based on Correlations Between Scale Scores Reliability and Statistical Power Generalizability Theory Summary Exercises Notes 4. Validity Content Validity Criterion-Related Validity Construct Validity Exercises 5. Guidelines in Scale Development Step 1: Determine Clearly What it is You Want to Measure Step 2: Generate an Item Pool Step 3: Determine the Format for Measurement Step 4: Have Initial Item Pool Reviewed by Experts Step 5: Consider Inclusion of Validation Items Step 6: Administer Items to a Development Sample Step 7: Evaluate the Items Step 8: Optimize Scale Length Exercises Note 6. Factor Analysis Overview of Factor Analysis Conceptual Description of Factor Analysis Bifactor and Hierarchical Factor Models Interpreting Factors Principle Components versus Common Factors Confirmatory Factor Analysis Using Factor Analysis in Scale Development Sample Size Conclusion Exercises 7. An Overview of Item Response Theory Item Difficulty Item Discrimination Guessing, or False Positives Item-Characteristic Curves IRT Applied to Multiresponse Items Conclusions Exercises 8. Measurement in the Broader Research Context Before Scale Development After Scale Administration Final Thoughts Exercises For instructors REQUEST REVIEW COPY Purchasing options Please select a format: ISBN: 9781506341569 $54.00 BUY NOW N2 - In the Fourth Edition of Scale Development, Robert F. DeVellis demystifies measurement by emphasizing a logical rather than strictly mathematical understanding of concepts. The text supports readers in comprehending newer approaches to measurement, comparing them to classical approaches, and grasping more clearly the relative merits of each. This edition addresses new topics pertinent to modern measurement approaches and includes additional exercises and topics for class discussion. Available with Perusall—an eBook that makes it easier to prepare for class Perusall is an award-winning eBook platform featuring social annotation tools that allow students and instructors to collaboratively mark up and discuss their SAGE textbook. Backed by research and supported by technological innovations developed at Harvard University, this process of learning through collaborative annotation keeps your students engaged and makes teaching easier and more effective. Learn more ER -