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	Opracowywanie skal porządkowych	Opracowanie skali
Dziedzina	Psychometria	Psychometria
Rodzina	Latent structure	Latent structure
Rok powstania	1932 (Likert format); 1990s–2000s (ordinal-specific psychometric methods)	1991–1995
Twórca	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
Typ	Scale construction methodology	Multi-step methodological framework
Źródło pierwotne	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
Inne nazwy	Likert scale development, ordinal measurement scale construction, ordinal item development, polytomous scale construction	questionnaire construction, instrument development, measurement scale construction, psychometric scale building
Pokrewne	5	5
Podsumowanie	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.