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Despite increases in their application and improvements in their
structure, there is a paucity of reliable and valid scales compared
to the complex range of problems that social workers and other
health professionals confront daily. They need to be able to design
rapid assessment instruments (RAIs) to fit their specific
situations, and with this step-by-step guide by RAI experts, that
prospect will be much less intimidating. For each stage of RAI
development, from conceptualization through design, data
collection, and analysis, the authors identify critical concerns,
ground them in the growing conceptual and empirical psychometric
literature, and offer practical advice. A presentation of the
basics of construct conceptualization and the search for evidence
of validity is complemented by introductions to concept mapping and
cross-cultural translation, as well as an in-depth discussion of
cutting-edge topics like bias and invariance in item responses. In
addition, they critique and illustrate factor analysis in
exploratory and confirmatory strategies, offering guidance for
anticipating elements of a complete data collection instrument,
determining sampling frame and size, and interpreting resulting
coefficients.
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