Download or read book Scale Development written by Robert F. DeVellis and published by SAGE Publications. This book was released on 2016-03-30 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.