In the Fourth Edition of Scale Development, Robert F. DeVellis demystifies measurement by emphasizing a logical rather than strictly mathematical understanding

Scale Development: Theory and Applications, by Robert F. DeVellis and new co-author Carolyn T. Thorpe, demystifies measurement by emphasizing a logical rather t

Synthesizing the literature from the survey and measurement fields, this book explains how to develop closed-response survey scales that will accurately capture

Written at a highly accessible level, Scale Development guides the reader through the identification of the latent variable, the generation of an item pool, the

The global development community is teeming with different ideas and interventions to improve the lives of the world's poorest people. Whether these succeed in