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  1. Socioeconomic Factors and the Evaluation of HIV/AIDS Prevention Programs: A Psychometric Analysis of an Instrument.Valentine Joseph Owan, Levi Udochukwu Akah, Agnes James Ekpo, Isaac Ofem Ubi, Felicia Achi Abeng & Gloria Tochukwu Akah - 2022 - Electronic Journal of General Medicine 19 (6):Article em405.
    Introduction: Research has documented the prevalence of different HIV/AIDS prevention programs launched to reduce the spread of the virus. However, the extent to which the success or otherwise of these programs are achieved is rarely discussed. This study addresses this gap by analyzing the impact of three socioeconomic parameters on the evaluation of HIV/AIDS prevention programs in the Southern Senatorial District of Cross River State, Nigeria. Methods: A sample of 239 health care employees selected using the proportional stratified random sampling (...)
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    Differential Item Functioning of 2018 Basic Education Certificate Examination (BECE) in Mathematics: A Comparative Study of Male and Female Candidates.Ememobong Mfon Ekong, Isaac Ofem Ubi & Eni Iferi Eni - 2020 - International Journal of Educational Administration, Planning and Research 12 (1):57-65.
    The study examined the differential item functioning (DIF) of 2018 Basic Education Certificate examination (BECE) in Mathematics tests of National Examination Council (NECO) and BECE of Akwa Ibom State government in Nigeria. The invariance in the tests with regards to sex was considered using Item Response Theory (IRT) approach. The study area was Akwa Ibom state of Nigeria having a student population of 58,281 for the examination. The sample was made of up 3810 students drawn through a multi-stage sampling approach. (...)
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  3. Permutation of UTME Multiple-Choice Test Items on Performance in Use of English and Mathematics Among Prospective Higher Education Students.Bassey Asuquo Bassey, Isaac Ofem Ubi, German E. Anagbogu & Valentine Joseph Owan - 2020 - Journal of Social Sciences Research 6 (4):483-493.
    In an attempt to curtail examination malpractice, the Joint Admission and Matriculation Board (JAMB) has been generating different paper types with a different order of test items in the Unified Tertiary Matriculation Examination (UTME). However, the permutation of test items may compromise students’ performance unintentionally because constructive suggestions in theory and practice recommend that test items be sequenced in ascending order of difficulty. This study used data collected from a random sample of 1,226 SSIII students to ascertain whether the permutation (...)
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