The objective of this study aimed to evaluate the quality of Multiple Choice Questions (MCQs) in Fixed Prosthodontic Department in Faculty of Dentistry in university of Gezira. This evaluation study was conducted over a period of four year exam, from 2014 to 2017 and evaluated four final semester assessment examinations comprising of MCQs cognitive level using Bloom Taxonomy and Item Writing Flaws (IWFs) employing a validated check list based on the guidelines of the NBME (National Board of Medical Examinations). A total of 80 MCQs were analyzed. Items were classed as flawed if they contained one or more than one flaw. The result of study found about half of the MCQs - 45 (56.3%) were assessing the recall of information, while 17(21.3%) were assessing the application of knowledge, 9 (11.3%) were assessing comprehension, 5 (6.3%) and 4 (5%) were assessing interpretation of data. The total of flawed items out of 80 items in four exams was 132 flaws. Most common types of flaws were grammatical mistakes and hand cover test pass 42% (32) and negatively constructed items 29%. The study concludes that cognitive level of assessment tools MCQs is low, and IWFS are common in the MCQs. Therefore, educators should be encouraged and trained to design problemsolving questions which are devoid of flaws.

Keywords : MCQs; IWFs; NBME; medical examinations; Bloom Taxonomy; dentistry