Salīdzināt metodes
Apskatiet izvēlētās metodes blakus; rindas, kas atšķiras, ir izceltas.
| Vienumu analīze (klasiskā testa teorija)× | Kronbaha alfa (Reliability Analysis)× | |
|---|---|---|
| Nozare≠ | Psihometrija | Statistika |
| Saime | Latent structure | Latent structure |
| Izcelsmes gads≠ | 1979 | 1951 |
| Autors≠ | Classical Test Theory tradition; foundational texts by Allen & Yen (1979) and Crocker & Algina (1986) | Lee J. Cronbach |
| Tips≠ | Descriptive / psychometric screening | Reliability / internal consistency coefficient |
| Pirmavots≠ | Allen, M. J. & Yen, W. M. (1979). Introduction to Measurement Theory. Brooks/Cole. ISBN: 978-0818501333 | Cronbach, L. J. (1951). Coefficient alpha and the internal structure of tests. Psychometrika, 16(3), 297–334. DOI ↗ |
| Citi nosaukumi≠ | Madde Analizi (Klasik Test Kuramı), CTT item analysis, classical item analysis | coefficient alpha, alpha reliability, internal consistency reliability, Güvenilirlik Analizi (Cronbach Alpha) |
| Saistītās≠ | 5 | 4 |
| Kopsavilkums≠ | Item analysis is the foundational psychometric procedure for evaluating the quality of individual test or scale items within the Classical Test Theory (CTT) framework, as systematised by Allen and Yen (1979) and Crocker and Algina (1986). It produces an item difficulty index, an item discrimination index, and a distractor analysis for each item, enabling test developers to identify items that are too easy, too hard, or failing to separate high- and low-ability respondents. | Cronbach's alpha is a coefficient of internal consistency that quantifies the degree to which a set of items on a scale measures the same underlying construct. Introduced by Lee J. Cronbach in 1951, it remains the most widely reported reliability index in social-science, health, and educational research. |
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