Assessment of Psychometric Properties of Candidates' Responses in Mathematics Paper II at 2014 - 2016 Junior Secondary School Certificate Examinations in Rivers State, Nigeria.
DOI:
https://doi.org/10.66545/wqz5jy62Keywords:
Psychometric properties, item analyses, content validityAbstract
In this study, four research questions were answered; it adopted the evaluation and descriptive survey research design. A sample of 1,068 Junior Secondary School (JSS) 3 students was randomly drawn from 8 Local Government Areas using purposive and proportionate techniques, out of the population of 65,054 JSS 3 students in 677 approved secondary schools in Rivers State. The instruments for this study include a sample of 180 multiple-choice questions from the 3 question papers, drawn from the item bank of JSSCE Mathematics past multiple-choice questions from 2014 to 2016 sessions, JSS curriculum and syllabus. Percentages were used to compare the weights of the curriculum/syllabus with the multiplechoice questions, formulae were used to determine the item characteristics of the test items. The findings were that the JSSCE Mathematics test items lacked content validity, all the tests had good difficulty and discrimination indices except that of 2014; all the tests passed the distracter indices criteria. It was recommended among others, that experts in Measurement and Evaluation should be used to carry out the rigorous process of item analyses. These would bring great improvement in the academic performance in Mathematics in Junior Secondary Schools in Rivers State.
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