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| Validità di contenuto× | Sviluppo di scale× | |
|---|---|---|
| Campo | Psicometria | Psicometria |
| Famiglia | Latent structure | Latent structure |
| Anno di origine≠ | 1975 | 1991–1995 |
| Ideatore≠ | C. H. Lawshe (quantitative framework); earlier qualitative traditions in educational measurement | Multiple contributors; codified by Robert DeVellis and Lee Anna Clark & David Watson |
| Tipo≠ | Validity evidence / expert judgement procedure | Multi-step methodological framework |
| Fonte seminale≠ | Lawshe, C. H. (1975). A quantitative approach to content validity. Personnel Psychology, 28(4), 563–575. link ↗ | DeVellis, R. F. (2016). Scale Development: Theory and Applications (4th ed.). SAGE Publications. ISBN: 978-1506341569 |
| Alias | content-related validity, logical validity, face validity, content validation | questionnaire construction, instrument development, measurement scale construction, psychometric scale building |
| Correlati≠ | 6 | 5 |
| Sintesi≠ | Content validity is evidence that a measurement instrument adequately samples the full domain of the construct it is intended to measure. It is established through systematic expert review and quantified with indices such as Lawshe's Content Validity Ratio (CVR) and Lynn's Content Validity Index (CVI), making it the foundational validity step in scale development. | Scale development is a structured, multi-step process for creating psychometrically sound measurement instruments that capture latent psychological constructs. It encompasses construct definition, item generation, expert review, exploratory and confirmatory factor analysis, reliability estimation, and validity evidence collection — producing a final set of items suitable for quantitative research. |
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