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| Bayesiansk itemtypeanalys× | Bayesiansk konfirmerande faktoranalys (BCFA)× | |
|---|---|---|
| Ämnesområde | Psykometri | Psykometri |
| Familj | Latent structure | Latent structure |
| Ursprungsår≠ | 1990s–2000s | 2007–2012 |
| Upphovsperson≠ | Originated in Bayesian psychometrics literature, developed extensively by Jean-Paul Fox and colleagues | Sik-Yum Lee; Bengt Muthén and Tihomir Asparouhov |
| Typ≠ | Bayesian inference / item-level diagnostics | Bayesian latent variable model |
| Ursprungskälla≠ | Fox, J.-P. (2010). Bayesian Item Response Modeling: Theory and Applications. Springer. DOI ↗ | Lee, S.-Y. (2007). Structural Equation Modeling: A Bayesian Approach. Wiley. ISBN: 978-0470024232 |
| Alias | BIA, Bayesian classical item analysis, Bayesian item statistics, Bayesian item-level diagnostics | BCFA, Bayesian CFA, Bayesian structural equation measurement model, Bayes-CFA |
| Närliggande | 4 | 4 |
| Sammanfattning≠ | Bayesian item analysis applies Bayesian inference to estimate item-level statistics — difficulty, discrimination, and distractor effectiveness — by combining observed response data with prior knowledge. It produces full posterior distributions over item parameters rather than single point estimates, providing richer uncertainty information especially with small samples. | Bayesian confirmatory factor analysis tests a pre-specified factor structure using Bayesian inference. Instead of point estimates with p-values, it produces full posterior distributions for loadings, factor correlations, and residual variances, allowing the researcher to incorporate prior knowledge and propagate parameter uncertainty naturally. |
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