Validity and reliability in family assessment (original) (raw)

Evidence-based practice manual: research and outcome measures in health and human services, 2004

Abstract

This chapter summarizes and discusses the reliability and validity of five measures of family assessment. Reliability is related to the consistency of a measure and is especially important when assessing measurement tools that will be used in clinical practice to guide the clinical decision-making process (Springer & Franklin, 2003). Reliability is established through four methods: test-retest, alternate form, split-half, and internal consistency. Validity addresses whether a tool measures what it is intended to measure. There are four types of validity: ...

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