Abstract
The authors discuss the value of sound measurement in home health with a focus on medication management risk, critically important but devoid of standardized and validated instrumentation in clinical practice. Abstract concepts including content, predictive, and construct validity are made concrete by providing an example of our ongoing effort to build and validate a tool to measure medication risk. They reveal how measurement relates to prediction, theory building, and the importance of planning validation studies during instrument construction. The authors also show how following principles of measurement and empirical testing, all within the context of medication risk, facilitate the delivery of evidence-based care delivery. They conclude that home health is valued by our stakeholders with data-driven decisions based on principles of measurement and sound reasoning.
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