RESEARCH ARTICLES Objective Curricular Evaluation: Applying the Rasch Model to a Cumulative Examination (original) (raw)

2004

Abstract

Objectives. The purpose of this study was to evaluate student and item performance and assess curricular strengths and weaknesses using a 65-item multiple-choice examination. Examination content included therapeutics, pharmacology, drug information and research design, nonprescription medications, and pharmacokinetics. Methods. The cumulative examination was administered to 54 student volunteers prior to and following the final year of experiential rotations. Rasch analysis in combination with the Wolfe and Chui procedure was performed to evaluate content areas and compare pretest to posttest item and person values. Results. These data supported Rasch model fit. Student logit values, converted to a 150-point scale, showed mean measures of 94.0 and 97.8 for the pretest and posttest, respectively, demonstrating significant improvement (t = 3.20, p < 0.01). Calibration values showed that 12 items became easier and 13 items became more difficult. Conclusions. The data provide evidenc...

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