Polytomous Construct Validity
Polytomous construct validity refers to the evaluation of whether a scale composed of ordered, multi-category items (e.g., Likert or rating-scale items) genuinely measures the intended latent construct. It extends classical validity frameworks to polytomous measurement models — such as the Graded Response Model or Generalized Partial Credit Model — ensuring that ordered response categories function as designed and that the resulting scores reflect the target construct.
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Avoti
- Muraki, E. (1992). A generalized partial credit model: Application of an EM algorithm. Applied Psychological Measurement, 16(2), 159–176. DOI: 10.1177/014662169201600206 ↗
- Embretson, S. E., & Reise, S. P. (2000). Item Response Theory for Psychologists. Lawrence Erlbaum Associates. ISBN: 978-0805828191
Kā citēt šo lapu
ScholarGate. (2026, June 3). Polytomous Construct Validity Assessment. ScholarGate. https://scholargate.app/lv/psychometrics/polytomous-construct-validity
Which method?
Set this method beside its closest kin and read them side by side — the library lays the books on the table; the choice is yours.
- Apstiprinošā faktoru analīze (AFA)Psihometrija↔ compare
- Diferenciālā vienumu funkcionēšana (DVF)Psihometrija↔ compare
- Eksploratīvā faktoru analīze (EFA)Statistika↔ compare
- Graded Response Model (GRM) (pakāpeniskās atbildes modelis)Psihometrija↔ compare
- Daļējā kredīta modelis (PCM / GPCM)Psihometrija↔ compare
- Polytomais Raša modelisPsihometrija↔ compare
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