International Journal of Advanced Educational Research

International Journal of Advanced Educational Research


International Journal of Advanced Educational Research
International Journal of Advanced Educational Research
Vol. 4, Issue 3 (2019)

Identification of school type differential item functioning of 2010 senior school certificate (NECO) English language examination among students of Dawakin Kudu Education Zone-Kano state, Nigeria


Ibrahim Shu’Aibu, Binta Abba MRS

The study investigated the incidence of Differential Item Functioning (DIF) on items in NECO/SSCE English language multiple-choice examination in 2010 due to school type differences among senior secondary school students in Dawakin Kudu Education Zone, Kano State, Nigeria. An expost-facto design was employed for the study. Population of the study consisted of 3,076 SSIII students in public secondary schools in Dawakin Kudu Education Zone in Kano state, Nigeria that sat for NECO/SSCE examination in 2010. Three hundred and forty-six (346) students were randomly selected as the sample. The analysis of DIF was done on person-by-item matrix on 100 English language multiple-choice items by NECO of 2010 with regards to school type. The DIF indices of each item was detected using Logistic Regression (LR) analysis and percentage of correct response to each item was obtained through descriptive statistics using cross tabulation. Items that favoured each group were detected and presented in accordance with the research questions. The results from the study shows that, 42% of the items were having negligible level of DIF; 20% were having moderate level of DIF while 38% of the items were having magnitude level of DIF. Out of the 38 items, 33 items were in favour of day school students while5itemwere in favour of boarding school students. From the findings, it was recommended that Examination bodies, experts in Education sector and those that are saddled with the responsibility of developing, validation and administration of test(s) need to carry out measurement bias on items at all times.
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