外科学专业OSCE考试评分系统的探索
The Use of OSCE System among Students Majoring in Surgery
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摘要: 目的 探索OSCE考试中考官年资以及考试评分表对考生考评结果的影响.方法 随机选择5年制临床医学完成外科学实习轮转的学生, 分为A、B 2组, 进行外科学OSCE考试.选择外科学教研室教师16名担任OSCE考官, 其中初级职称或中级职称考官8人, 高级职称考官8人, 比较2组学生考试结果以及两组考官的考评结果.结果 使用清单式评分表的不同年资的考官的考评分数没有显著的统计学差异;使用多维度评分表的不同年资的考官的考评分数结果有显著的统计学差异 (P<0.05) ;在80%以上的站点清单式评分表和多维度评分表显示出了显著的统计学相关性 (P<0.001) , 说明两种不同评分表均具有较高的可重复度.结论 清单式评分表的考评结果具有较高的可重复性, 在考官年资构成不同的OSCE考试中, 应尽量多采用清单式的考试评分表.评分表的评分设计还需要更多的研究, 使得其可以保持高信度, 同时兼具适当的效度以区分目标学生的学习层次.Abstract: Objective To evaluate the impact of different rating instruments used by raters with different seniority in OSCEs. Me thods Surgical interns were randomly divided into two groups to undertake a nine-station surgical OSCEs. Raters with different seniority were also divided into two groups with four senior raters and four junior raters in one group. OSCE results were compared. Re s ults There was no statistical significance when comparing results from different raters using checklist rating instrument. Results from different raters using global rating scale instrument were significantly different. Correlations between raters using checklist and global rating scale instruments showed statistical significance in 81.3% of stations. Conclus ion Checklist rating instrument showed high capability of repeating the results. Therefore, it is recommended to apply checklist as many as possible in OSCE exams with mixed rater seniorities. Research on design of rating instruments are to be investigated to insure the effectiveness as well as the credibility of the rating system.
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Key words:
- OSCE /
- Rating instrumen /
- Rater /
- Credibility
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