Now available in paperback, this is the second edition of the only practical guide for clinicians developing tools to measure subjective states, attitudes or 'non-tangible' outcomes in their patients.The second edition has been throughly revised to incorporate all the latest research published since the first edition. It has been expanded and includes a new chapter on ehtics and a thorough discussion of reliability and generalizability theory. Throughout the book the authors provide a practical step-by-step approach to guide the reader through the development of their own scales. This is an essential book for anyone who uses or would like to use rating scales in their clinical practice.
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