Abstract
The aim of this study was to investigate whether there was a statistically significant positive correlation between dental students' Dental Admission Test (DAT) scores, particularly on the Perceptual Ability Test (PAT), and their performance on a dental school's competency exam. Scores from the written and clinical competency exam administered in the fall quarter of the fourth year of the curriculum at Midwestern University College of Dental Medicine-Arizona were compared to DAT scores of all 216 members of the graduating classes of 2012 and 2013. It was hypothesized that students who performed highly on one or more sections of the DAT would perform highly on the competency exam. Backward stepwise regression analyses were used to analyze the data. The results showed that the PAT scores were most strongly correlated with the competency exam scores and were a positive predictor for all three clinical sections of the exam (operative dentistry, periodontics, and endodontics). Positive predictors for the written portion of the exam were total DAT score for patient assessment and treatment planning and the DAT reading comprehension score for prosthodontics; there were no predictors for periodontics. The total variance explained by the results ranged from 4% to 15%. While statistically significant relationships were found between the students' PAT scores and clinical performance, DAT scores explained relatively little variance in the competency exam scores. According to these findings, neither the PAT nor any of the DAT components contributed to predicting these students' clinical performance.
Published Version
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