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Assessing the Jouve-Cerebrals Crystallized Educational Scale (JCCES)
Psychological Measurement and Testing

Assessing the Reliability of JCCES in Measuring Crystallized Cognitive Skills

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The Jouve-Cerebrals Crystallized Educational Scale (JCCES) has been thoroughly evaluated for its reliability and consistency. This large-scale study, involving 1,079 examinees, utilized both Classical Test Theory (CTT) and Item Response Theory (IRT) methods to analyze the scale’s performance and internal structure. Background The JCCES was developed to measure crystallized cognitive …

An alternative Cattell–Horn–Carroll (CHC) factor structure of the WAIS-IV: Age invariance of an alternative model for ages 70–90.
Psychological Measurement and Testing

An alternative Cattell-Horn-Carroll (CHC) factor structure of the WAIS-IV

updated on Leave a Comment on An alternative Cattell-Horn-Carroll (CHC) factor structure of the WAIS-IV

The Wechsler Adult Intelligence Scale—Fourth Edition (WAIS-IV) is widely recognized as one of the most utilized intelligence tests for adults. While previous studies have examined the test’s structure using the Cattell–Horn–Carroll (CHC) model, individuals aged 70 and older have often been excluded due to the absence of supplemental subtests in …