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4th Research in Medical Education (RIME) Symposium 2015

19.03-21.03.2015, München

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Reliability and predictive validity of an OSPE in operative dentistry

Meeting Abstract

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  • corresponding author Susanne Gerhardt-Szep - Goethe University of Frankfurt am Main, Medical Faculty, School of Dentistry, Department of Operative Dentistry, Frankfurt am Main, Germany, Frankfurt am Main, Germany
  • author presenting/speaker Petko Petkov - Goethe University of Frankfurt am Main, Medical Faculty, School of Dentistry,Department of Operative Dentistry, Germany, Frankfurt am Main, Germany
  • author Katja Knuth-Herzig - Goethe University of Frankfurt am Main, Department of Educational Psychology, Frankfurt am Main, Germany
  • author Sebastian Höfer - Goethe University of Frankfurt am Main, Medical Faculty, Department of Cranio-Maxillofacial Surgery, Frankfurt am Main, Germany
  • author Sebastian Stehle - Goethe University of Frankfurt am Main, Department of Educational Psychology, Frankfurt am Main, Germany
  • author Sonja Scherer - Goethe University of Frankfurt am Main, Department of Educational Psychology, Frankfurt am Main, Germany
  • author Björn Steffen - Goethe University of Frankfurt am Main, Medical Faculty, Department of Internal Medicine, Frankfurt am Main, Germany
  • author Stephan Scherzer - Goethe University of Frankfurt am Main, Medical Faculty, Department of Internal Medicine, Frankfurt am Main, Germany
  • author Falk Ochsendorf - Goethe University of Frankfurt am Main, Medical Faculty, Department of Dermatology, Frankfurt am Main, Germany
  • author Holger Horz - Goethe University of Frankfurt am Main, Department of Educational Psychology, Frankfurt am Main, Germany
  • author Robert Sader - Goethe University of Frankfurt am Main, Medical Faculty, Department of Cranio-Maxillofacial Surgery, Frankfurt am Main, Germany

4th Research in Medical Education (RIME) Symposium 2015. München, 19.-21.03.2015. Düsseldorf: German Medical Science GMS Publishing House; 2015. DocP41

doi: 10.3205/15rime48, urn:nbn:de:0183-15rime486

Veröffentlicht: 12. März 2015

© 2015 Gerhardt-Szep et al.
Dieser Artikel ist ein Open Access-Artikel und steht unter den Creative Commons Lizenzbedingungen. Er darf vervielfältigt, verbreitet und öffentlich zugänglich gemacht werden, vorausgesetzt dass Autor und Quelle genannt werden. Lizenz-Angaben siehe http://creativecommons.org/licenses/by-nc-nd/3.0/.

Gliederung

Text

This retrospective longitudinal study evaluated the reliability and predictive validity of an objective structured practical examination (OSPE), which is used to assess the transition from first (6th) to last (11th) semester during clinical education in operative dentistry.

In order for students to advance to the 6th semester, the preliminary dental examination (PDE) must be completed. At Goethe University Frankfurt the evaluated OSPE is administered at the end of the first clinical semester to assess student preparedness for later patient care activity. In the 11th semester the dental state examination (DSE) includes practical patient-centered competencies of candidates in operative dentistry. The complete clinical study period for the dental curriculum comprises optimally of 6 semesters.

The study population consisted of 471 students. The total reliability of the OSPE was assessed by Cronbach's alpha. Using Pearson correlation and multiple regression, the predictive validity of the examination was also evaluated by correlating student scores on the OSPE with their clinical performance as measured by successful completion of patient-centered procedures during the DSE. Further, the impact of the PDE, the factual complete clinical study period (P), the preparation time with fellow students (T), and the declared level of stress (S) before OSPE was evaluated.

Findings indicate a highly reliable OSPE (α=.86). Good performance in the OSPE was associated with good performance later in the DSE (r=.138, p=.03). Long study periods are accompanied by poor exam performance (r=.215, p=0.001). Correlations ranging from r=.414 (T) to .221 (S) and .214 (PDE) were also stated.

The findings suggest that the evaluated OSPE can serve as a reliable and predictive assessment during the transition from first to last clinical semester in a dental curriculum. Preparation time with fellows before OSPE should be enforced in future.