What Makes Mid-Tertiary Mathematics Multiple Choice Test Items Difficult: Task Numbers or Cognitive Levels?

P.M.C. Ogomaka, A.C. Akukwe, M.C. Nosike

Abstract


The researchers ascertained the linear relationship between any two Multiple Choice Test (MCT) items’ facility indices (z), cognitive level (x) and “task numbers (y). A 50 itemed multiple choice test was administered on a random sample of 226 NCE students who offered a General Studies Education (GSE) mathematics course. The test has a reliability coefficient of 0.92. The sampled students’ responses were scored. The estimates of correlation coefficients: rzx = - 0.33, rzy = - 0.33 and rxy = 0.87 were obtained and found significant (p<0.05). From the results, cognitive level and task numbers could provide a bridge between Classical Test Theory (CTT) and Item Response Theory (IRT).

DOI: 10.5901/mjss.2013.v4n5p35


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Mediterranean Journal of Social Sciences ISSN 2039-9340(Print) ISSN 2039-2117(Online)

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