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关于口腔保守治疗学第六学期客观结构化临床考试在国家考试中的表现的可靠性和预测效度。

The reliability and predictive validity of a sixth-semester OSPE in conservative dentistry regarding performance on the state examination.

作者信息

Petko Petkov, Knuth-Herzig Katja, Hoefer Sebastian, Stehle Sebastian, Scherer Sonja, Steffen Björn, Scherzer Stephan, Ochsendorf Falk, Horz Holger, Sader Robert, Gerhardt-Szép Susanne

机构信息

Goethe-Universität, Carolinum Zahnärztliches Universitäts-Institut gGmbH, Poliklinik Zahnerhaltungskunde, Frankfurt am Main, Deutschland.

Goethe-Universität, Institut für Psychologie & Interdisziplinäres Kolleg Hochschuldidaktik, Frankfurt am Main, Deutschland.

出版信息

GMS J Med Educ. 2017 Feb 15;34(1):Doc10. doi: 10.3205/zma001087. eCollection 2017.

Abstract

The aim of this study was to ascertain whether the testing format of an OSPE (Objective Structured Practical Examination) in conservative dentistry (sixth semester) predicts the scores on the practical section of the state examination (11 semester) in the same subject. Taking general student profiles into consideration (score on the school-leaving exam [Abitur], score on the preliminary exam in dental medicine [Physikum], length of university study, cohorts, and sex), we also investigated if any correlations or differences exist in regard to the total and partial scores on the OSPE and the corresponding state examination. Within the scope of this longitudinal retrospective study, exam-specific data spanning 11 semesters for dental students (N=223) in Frankfurt am Main were collected and analyzed. Statistical analysis was carried out by calculating Spearman rank correlations, partial correlations, Pearson's correlation coefficients, and multiple regressions (SPSS Statistics 21, IBM Corporation, New York). The results show that the OSPE (Cronbach's α=.87) correlates with level of success on the practical section of the state exam in conservative dentistry (=.01, =.17). Length of university study also emerged to correlate significantly with the state exam score (=.001, =.23). Together, these two variables contribute significantly to predicting the state exam score (=.001, =.076). This was seen extensively among female students. It was also discovered that these female students had higher school-leaving exam scores than male students (=6.09, =.01, =.027), and that a significant correlation between scores on the Physikum (preliminary exam in dental medicine) and OSPE scores existed only for male students (=.17, =.01). This study was able to demonstrate the predictive effect of a clinical OSPE regarding scores achieved on the state exam. Taking the limitations of this study into account, we are able to recommend using the OSPE testing format in the sixth semester during the clinical phase of dental study.

摘要

本研究的目的是确定口腔保守治疗学(第六学期)客观结构化实践考试(OSPE)的测试形式是否能预测同一学科国家考试(第十一学期)实践部分的成绩。考虑到学生的一般情况(高中毕业考试成绩[德国文理中学毕业考试]、牙医学预科考试成绩[德国牙医资格考试]、大学学习时长、队列和性别),我们还研究了OSPE的总分和部分分数与相应国家考试之间是否存在任何相关性或差异。在这项纵向回顾性研究的范围内,收集并分析了美因河畔法兰克福223名牙科学生11个学期的特定考试数据。通过计算斯皮尔曼等级相关性、偏相关性、皮尔逊相关系数和多元回归进行统计分析(SPSS Statistics 21,IBM公司,纽约)。结果表明,OSPE(克朗巴哈系数α = 0.87)与口腔保守治疗学国家考试实践部分的成功水平相关(P = 0.01,r = 0.17)。大学学习时长也与国家考试成绩显著相关(P = 0.001,r = 0.23)。这两个变量共同对国家考试成绩的预测有显著贡献(P = 0.001,R² = 0.076)。这在女生中尤为明显。还发现这些女生的高中毕业考试成绩高于男生(P = 6.09,P = 0.01,r = 0.027),并且只有男生的德国牙医资格考试成绩与OSPE成绩之间存在显著相关性(P = 0.17,r = 0.01)。本研究能够证明临床OSPE对国家考试成绩的预测作用。考虑到本研究的局限性,我们建议在牙科学习的临床阶段第六学期采用OSPE测试形式。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b0d5/5327664/2c852b062330/JME-34-10-t-001.jpg

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