The higher-order model imposes a proportionality constraint: That is why the bifactor model tends to fit better
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- 作者：Gilles E. Gignac gilles.gignac@uwa.edu.au" class="auth_mail" title="E-mail the corresponding author
- 关键词：Higher-order model ; Bifactor model ; Model-fit
- 刊名：Intelligence
- 出版年：2016
- 出版时间：March-April 2016
- 年：2016
- 卷：55
- 期：Complete
- 页码：57-68
- 全文大小：434 K
文摘
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Bifactor model does not always fit better (TLI, BIC, AIC) than higher-order model.
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Comparisons based on TLI largely unaffected by sample size (in contrast to χ2, AIC, BIC)
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Model fit differences correlate perfectly with proportionality constraint violation.
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Other testable statistical distinctions between the models may not exist.