Reliability, Validity, And Validity

Decent Essays
Reliability and Validity Thomas and Christiansen (2011) contribute the chapter, “Measurement Theory in Research” to Understanding Research in Clinical and Counseling Psychology, in order to highlight the importance of reliability, validity, and choosing outcome measures in psychological research (Thomas & Hersen, 2011). Concepts addressed by the authors, such as reliability and validity, are fundamental and the basis of empirically sound research. In each of the sections addressed, the authors describe constructs within the theories to support each of the concepts and use analogies to drive home the particular point. As the lessons are expressed, examples of how the measures are applied, as well as why the application of sound methodological practices are of such importance to research. Additionally, Thomas and Christensen (2011) express the limitations of each construct and methods for minimizing error. This chapter addresses many of the basic issues researchers face when attempting to apply empirical measurement standards in studies. Furthermore, the authors approach to delivering methodological guidance to researchers regarding reliability and validity is scholarly and informative in describing the necessary methods required for empirical standards in research.
The chapter begins with a story relating to the absolutes of other sciences versus the abstract precepts addressed by psychological research. Determining how to define and measure behaviors and the mind is a
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