J. A. Odukoya, C. Udoruisi, S. Ologun


Achieving test validity is an essential concern in test development, particularly when a test is used for an important purpose. Conducting mock examinations for students in the terminal classes of Senior Secondary Schools (SS3) is fast becoming the norm in Nigeria as various school managements are persuaded that such examinations do not only ascertain the level of readiness of their student for the summative and matriculation examination conducted by independent examination bodies, but also enhances their capacity for the impending external examinations. It is against the backdrop of the perceived significance of mock examinations this study sought to ascertain the concurrent validity of the Mock examinations, conducted by a Nigerian private secondary school, with Nigeria’s Joint Admission Matriculation Board Unified Tertiary Matriculation Examination [JAMB-UTME]. The ex-post facto research design was used. The data collected was subjected to Pearson product moment correlation coefficient. The results showed that that the Mock examination developed by the Nigerian Private Secondary School had a concurrent validity index of 0.50 (@ p<0.01 and N=150) with the more standardized JAMB UTME in the 2012/13 session and a concurrent validity index of 0.59 (@ p<0.01 and N=150) during the 2013/14 session. Recommendations to enhance the quality of Mock examination were made.


Concurrent validity, Mock examination, Joint Admission and Matriculation Board Unified Tertiary Matriculation Examination, Private Secondary School


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