BACKGROUND This study investigated the impact of addressing item writing flaws, testing at low cognitive level and non-functioning distractors (< 5 % selection frequency) in multiple-choice assessment in preclinical medical education. METHOD Multiple-choice questions with too high or too low difficulty (difficulty index < 0.4 or > 0.8) and insufficient discriminatory ability (point-biserial c...

A standard correction for random guessing (cfg) formula on multiple-choice and Yes/Noexaminations was examined retrospectively in the scores of the intermediate female EFL learners in an English language school. The correctionwas a weighting formula for points awarded for correct answers,incorrect answers, and unanswered questions so that the expectedvalue of the increase in test score due to g...

During the year 2004, Utah State University offered three sessions of an introductory long–distance statistics course (Stat 2000) for students in its International Program in Hong Kong. These sessions were based on the electronic textbook CyberStats. The exams were given electronically and all student answers were stored in the CyberStats data base. All means that if a student changed the answe...