Examining the Flynn Effect in the General Social Survey Vocabulary test using item response theory

@inproceedings{Beaujean2016ExaminingTF,
  title={Examining the Flynn Effect in the General Social Survey Vocabulary test using item response theory},
  author={A. Alexander Beaujean and Yanyan Sheng},
  year={2016}
}
Most studies of the Flynn Effect (FE) use classical test theory (CTT)-derived scores, such as summed raw scores. In doing so, they cannot test competing hypotheses about FE, such as it is caused by a real change in cognitive ability versus it is a change in the tests that measure cognitive ability. An alternative to CTTderived scores is to use latent variable scores, such as those from item response theory (IRT). This study examined the FE on the Vocabulary test in the General Social Survey… CONTINUE READING

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Assess dimensionality of GSS Vocabulary test. 2. Assess fit of IRT model. 3. Assess for invariance loadings and thresholds. If full invariance is not tenable, assess for partial invariance

Assess dimensionality of GSS Vocabulary test. 2. Assess fit of IRT model. 3. Assess for invariance loadings and thresholds. If full invariance is not tenable, assess for partial invariance

If full or partial invariance exists, compare average latent scores among groups

If full or partial invariance exists, compare average latent scores among groups

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