title: Reading research critically: assessing the validity and reliability of research instrumentation--Part 1.
abstract: Meaningful measurement of events in a research study depends on the use of valid and reliable measurement tools. This article discusses the nature of validity, types of validity, and how researchers demonstrate the validity of their instruments to the reader.
authors.forename: M
authors.initials: M
authors.lastname: Giuffre
mesh_terms: D015982:Bias; D006801:Humans; D015399:Nursing Research / Q000295:instrumentation*; D017712:Peer Review, Research; D015203:Reproducibility of Results