Investigating the validity, reliability and practicality of mock English K.C.P.E objective papers of Nairobi Province-Kenya
Onsongo, Robert Gekara
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This study set out to do Item Analysis of two standard eight English objective mock test papers of Nairobi Province. This was by comparing mock test papers with the KNEC . . National English objective paper 2000 used as the norm. The study investigated these tests' validity, reliability and practicality. . This was an attempt' aimed at making a contribution to research on the suitability of test items. A quantitative research deslgr: of item analysis and a theoretical construct of int!?~rati'-/e, language testing were used. The two theories were considered appropriate because the integrative testing approach states that a test item tests not a single linguistic ability but two or more abilities. Item analysis is a statistical measure through which an item is investigated to determine' its appropriateness. The data were collected using three English objective test papers viz: the KNEC English objective test paper 2000 and the Nairobi Province English objective mock papers of 1998 and 1999. These papers were randomly selected from the many papers 'from the school file of past papers. The class teacher assured me that they had not been attempted by the candidates in class. The study showed that the two mock papers had more defective items than the norm paper. The defective items made the two mock papers less reliable compared to the norm paper. On the other hand, the norm paper had more items of 35% facility value and below compared to the mock papers. Many of these items had zero and/or negative item discrimination values. This project is divided into six chapters: chapter one is introduction; chapter two the theoretical frame work and literature review; chapter three methodology; chapter four data analysis and presentation; chapter five interpretation and discussion and chapter six; conclusion and recommendations.