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Health Measurement Scales is the ultimate guide to appraising, developing, and validating measurement scales that are used in the health sciences. Written in a clear and practical style, this guide enables clinicians and researchers to both develop scales to measure subjective states and non-tangible health outcomes, as well as evaluate and differentiate among existing tools. Topics presented in the order that scales are constructed: how the individual items are developed, biases that can affect responses, various response options, how to select the best items in the set, how to combine them into a scale; and finally how to determine the reliability and validity of the scale. Fully updated to reflect recent developments in the field and the latest survey methods. The new edition contains updated information on generalizability theory and item response theory, and integration of qualitative research methods into scale design and testing. Including guidelines, appendices and checklists, this useful book is a must-read for any practitioner dealing with any kind of subjective measurement.
The SAGE Encyclopedia of Research Design maps out how one makes decisions about research design, interprets data, and draws valid inferences, undertakes research projects in an ethical manner, and evaluates experimental design strategies and results. From A-to-Z, this four-volume work covers the spectrum of research design strategies and topics including, among other things: fundamental research design principles, ethics in the research process, quantitative versus qualitative and mixed-method designs, completely randomized designs, multiple comparison tests, diagnosing agreement between data and models, fundamental assumptions in analysis of variance, factorial treatment designs, complete a...
Investigating and litigating cases of interpersonal violence is difficult. With child and elder abuse, the vulnerability of the victim makes the work emotionally as well as legally taxing. With domestic violence, the tendency of some victims to
Because the outcome of medical interventions is sometimes unintentionally harmful, analytic methods, including meta-analyses, are being developed and refined to evaluate the effects of treatment on a population. This book discusses the efficacy of various kinds of clinical trials in assessing the goodness of such treatments. It also deals with the ancillary issues of publication bias and the dissemination of information through the press, as well as the economic and political consequences of decisions that are taken.