Alexander Cara J, Crescini Weronika M, Juskewitch Justin E, Lachman Nirusha, Pawlina Wojciech
Mayo Medical School, College of Medicine, Mayo Clinic, Rochester, Minnesota 55905, USA.
Anat Sci Educ. 2009 Jul-Aug;2(4):160-6. doi: 10.1002/ase.99.
The goals of our study were to determine the predictive value and usability of an audience response system (ARS) as a knowledge assessment tool in an undergraduate medical curriculum. Over a three year period (2006-2008), data were collected from first year didactic blocks in Genetics/Histology and Anatomy/Radiology (n = 42-50 per class). During each block, students answered clinically oriented multiple choice questions using the ARS. Students' performances were recorded and cumulative ARS scores were compared with final examination performances. Correlation coefficients between these variables were calculated to assess the existence and direction of an association between ARS and final examination score. If associations existed, univariate models were then constructed using ARS as a predictor of final examination score. Student and faculty perception of ARS difficulty, usefulness, effect on performance, and preferred use were evaluated using a questionnaire. There was a statistically significant positive correlation between ARS and final examination scores in all didactic blocks and predictive univariate models were constructed for each relationship (all P < 0.0001). Students and faculty agreed that ARS was easy to use and a reliable tool for providing real-time feedback that improved their performance and participation. In conclusion, we found ARS to be an effective assessment tool benefiting the faculty and the students in a curriculum focused on interaction and self-directed learning.
我们研究的目的是确定在本科医学课程中,作为一种知识评估工具的观众反应系统(ARS)的预测价值和实用性。在三年期间(2006 - 2008年),从遗传学/组织学和解剖学/放射学一年级教学模块中收集数据(每个班级n = 42 - 50)。在每个模块中,学生使用ARS回答以临床为导向的多项选择题。记录学生的表现,并将ARS累积分数与期末考试成绩进行比较。计算这些变量之间的相关系数,以评估ARS与期末考试成绩之间关联的存在和方向。如果存在关联,则构建以ARS作为期末考试成绩预测指标的单变量模型。使用问卷评估学生和教师对ARS难度、有用性、对表现的影响以及首选用途的看法。在所有教学模块中,ARS与期末考试成绩之间存在统计学上显著的正相关,并针对每种关系构建了预测单变量模型(所有P < 0.0001)。学生和教师一致认为ARS易于使用,是一种可靠的工具,可提供实时反馈,提高他们的表现和参与度。总之,我们发现ARS是一种有效的评估工具,在以互动和自主学习为重点的课程中,对教师和学生都有益。