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internal consistency

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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 …

Age-Based Reliability Analysis of the Jouve Cerebrals Test of Induction
Psychological Measurement and Testing

Age-Based Reliability Analysis of the Jouve Cerebrals Test of Induction

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Abstract This research focused on assessing the reliability of the Jouve Cerebrals Test of Induction (JCTI), a computerized 52-item test measuring nonverbal reasoning without time constraints. The reliability of the test was determined through Cronbach’s Alpha coefficients and standard errors of measurement (SEm), calculated across various age groups. A total …