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Reduce Randomly Guessing Effects In A University Generic Skills Test, Luc T. Le
Reduce Randomly Guessing Effects In A University Generic Skills Test, Luc T. Le
Dr Luc Tu Le
There frequent concern of guessing with multiple-choice questions (MCQ) in item response theory (IRT), particularly with the Rach model where a guessing parameter is not included. A practical solution is done post-hoc by removing responses to items too hard for a low ability examinee (see Andrich, et al., 2011; RUMM 2030, Andrich et al., 2012; Winsteps, Linacre, 2012). This study is used data from The Special Tertiary Admissions Test (STAT) to explore whether such responses from lower ability candidates to a hard item in a real test could be considered as randomly guessing and how Rasch item difficulty estimates improve …
Effect Of Trial Items On Candidate Performances In A Large-Scale Postgraduate Medical Selection Test, Luc T. Le
Effect Of Trial Items On Candidate Performances In A Large-Scale Postgraduate Medical Selection Test, Luc T. Le
Dr Luc Tu Le
The Graduate Australian Medical School Admissions Test (GAMSAT) is a cognitive test developed by the Australian Council for Educational Research (ACER) for the Consortium of Graduate-entry Medical Schools. GAMSAT consists of two writing tasks and two multiple-choice (MC) sections: Reasoning in Humanities and Social Sciences (75 items), and Reasoning in Biological and Physical Sciences (110 items). In each administration, each of the two MC sections includes different test booklets with the same cored items but different sets of trialled items. The trial item sets have been aimed to be equivalent in contents and difficulty levels across the test booklets. This …