The book that established itself as a standard text and reference work for students seeking to master research methods and procedures in psychology has been updated and revised in this new edition! The Second Edition of The Psychology Research Handbook: A Guide for Graduate Students and Research Assistants once again offers a comprehensive guide for understanding and conquering the entire research process. Editors Frederick T. L. Leong and James T. Austin have assembled a distinguished group of expert researchers who share skill sets accumulated as a result of years of practical exposure to the design, development, implementation, and documentation of research in psychology.

Scale Development

Scale development
John W.LounsburyLucy W.GibsonRichard A.Saudargas

This chapter addresses the topic of scale development. Although much of what we present here can be applied to the topic of test development, our focus is not on measuring maximal performance assessed by tests of achievement, aptitude, and ability but on measuring typical performance assessed by personality instruments. Our emphasis is on personality scales, though much of our material is also applicable to attitude scales, measures of preference, and values. We will be relying primarily on reliability concepts drawn from classical test theory; more recent approaches, such as item response theory and confirmatory factor analysis, will not be covered here. We will cover seven main topics:

  • Reasons for developing a psychological scale
  • Purpose of a psychological scale
  • Construct ...
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