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| Ordinaaliasteikon kehittäminen× | Skaalan kehitys× | |
|---|---|---|
| Tieteenala | Psykometriikka | Psykometriikka |
| Menetelmäperhe | Latent structure | Latent structure |
| Syntyvuosi≠ | 1932 (Likert format); 1990s–2000s (ordinal-specific psychometric methods) | 1991–1995 |
| Kehittäjä≠ | Rensis Likert (foundational ordinal response format); modern ordinal methodology codified by DeVellis and Finney & DiStefano | Multiple contributors; codified by Robert DeVellis and Lee Anna Clark & David Watson |
| Tyyppi≠ | Scale construction methodology | Multi-step methodological framework |
| Alkuperäislähde≠ | DeVellis, R. F. (2017). Scale Development: Theory and Applications (4th ed.). SAGE Publications. ISBN: 978-1506341569 | DeVellis, R. F. (2016). Scale Development: Theory and Applications (4th ed.). SAGE Publications. ISBN: 978-1506341569 |
| Rinnakkaisnimet | Likert scale development, ordinal measurement scale construction, ordinal item development, polytomous scale construction | questionnaire construction, instrument development, measurement scale construction, psychometric scale building |
| Liittyvät | 5 | 5 |
| Tiivistelmä≠ | Ordinal scale development is the systematic construction and validation of multi-item measurement instruments whose response options form an ordered but not necessarily equal-interval sequence — most commonly Likert-type formats (e.g., 1 = Strongly Disagree to 5 = Strongly Agree). It applies psychometric techniques that respect the ordinal nature of items rather than treating them as continuous. | 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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