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A Comparison Study of the Reliability Coefficients from Five Approaches to Reliability Estimation
DownloadFall 2015
In order to estimate reliability by a single administration of one test form, various approaches and corresponding reliability coefficients have been proposed so far. Currently, the five most influential approaches are: internal consistency, lower bound, principal components analysis (PCA),...
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Evaluating the Performance of the Uncorrected and Corrected Reliability Alpha for Range Restriction and the Confidence Intervals in a Single and Meta-Analytic Study
DownloadSpring 2013
Range restriction has long been a methodological problem in educational and psychological research (Hunter & Schmidt, 2004), and this usually leads to a downward-biased estimate of a statistic. Even though much research has examined the performance of Pearson’s correlation under range restriction...
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Using the Ottawa Surgical Competency Operative Room Evaluation (O-SCORE) in a Canadian Plastic Surgery Program
DownloadFall 2016
Competency-based medical education has overtaken the traditional apprenticeship model of medical education. This shift toward competence-based training demands a higher number of assessments per trainee. Current assessment methods in Plastic Surgery have not been well studied. Numerous assessment...