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Eyitayo Rufus  Ifedayo Afolabi

Eyitayo Rufus Ifedayo Afolabi

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5
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Publications

Publications (5)
Article
Full-text available
The study developed a scale and generated items capable of measuring students' testwiseness, determined the construct validity and reliability of the scale. The study adopted a survey research design. A total of 750 senior secondary students (SSS) participated in the study. They comprised 380 male and 370 female students ranging from 10-23 years ol...
Article
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The study investigated the invariance properties of one, two and three parameter logistic item response theory models. It examined the best fit among one parameter logistic (1PL), two-parameter logistic (2PL) and three-parameter logistic (3PL) IRT models for SSCE, 2008 in Mathematics. It also investigated the degree of invariance of the IRT models...
Article
Full-text available
The study compared Classical Test Theory (CTT) and Item Response Theory (IRT)-estimated item difficulty and item discrimination indices in relation to the ability of examinees in Senior School Certificate Examination (SSCE) in Mathematics with a view to providing empirical basis for informed decisions on the appropriateness of statistical and psych...
Article
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The study examined the perception of mentoring (and its nature) by academic staff of the Obafemi Awolowo University. Being a survey, the population included all academic staff in the university. Purposive sampling was used to select 200 academic staff from the 13 faculties in the university. An instrument titled 'Academic Staff Mentoring Questionna...
Article
This study assessed unidimensionality and occurrence of Differential Item Functioning (DIF) in Mathematics andEnglish Language items of Osun State Qualifying Examination. The study made use of secondary data. The resultsshowed that OSQ Mathematics (-0.094 ≤ r ≤ 0.236) and English Language items (-0.095 ≤ r ≤ 0.228) wereunidimensional. Also, there w...