论文标题
更准确地衡量在线教学设计对学生转移物理解决问题能力能力的影响
Toward more accurate measurement of the impact of online instructional design on students' ability to transfer physics problem-solving skills
论文作者
论文摘要
在较早的两项研究中,我们开发了一种新方法,可以使用一系列在线学习模块来衡量学生将物理问题解决技能转移到新环境中的能力,并以旨在提高转移能力的其他学习模块的形式实施了两种干预措施。当前的论文介绍了一种新的数据分析方案,该方案可以通过考虑学生的目标取向和行为的可能差异,并揭示两种干预措施提高转移能力的可能机制,从而提高测量的准确性。基于两个自我调节学习的两个框架,具有避免表现的目标的学生更有可能猜测一些评估尝试以节省时间,从而低估了学生人数的转移能力。当前的分析表明,大约一半的学生经常进行简短的初步评估尝试,并且在某些模块上的正确率显着降低了,我们认为这可能至少部分起源于学生采用避免绩效策略的学生。然后,我们根据他们是根据旨在开发基本解决问题技能的干预模块进行互动的,因此我们可以确定很少有学生采用避免绩效的策略,还是第一次尝试不与教学材料进行互动时通过该模块。通过与上学期的倾向得分相匹配的倾向得分与人群相匹配,我们发现在先前的研究中观察到的随后转移表现的改善主要来自后者的人群,这表明该干预措施有效地提醒了学生激活现有技能,但缺乏在尚未掌握它的人中发展这些技能。
In two earlier studies, we developed a new method to measure students' ability to transfer physics problem solving skills to new contexts using a sequence of online learning modules, and implemented two interventions in the form of additional learning modules designed to improve transfer ability. The current paper introduces a new data analysis scheme that could improve the accuracy of the measurement by accounting for possible differences in students' goal orientation and behavior, as well as revealing the possible mechanism by which one of the two interventions improves transfer ability. Based on a two by two framework of self-regulated learning, students with a performance-avoidance oriented goal are more likely to guess on some of the assessment attempts in order to save time, resulting in an underestimation of the student populations' transfer ability. The current analysis shows that about half of the students had frequent brief initial assessment attempts, and significantly lower correct rates on certain modules, which we think is likely to have originated at least in part from students adopting a performance-avoidance strategy. We then divided the remaining population, for which we can be certain that few students adopted a performance-avoidance strategy, based on whether they interacted with one of the intervention modules designed to develop basic problem solving skills, or passed that module on their first attempt without interacting with the instructional material. By comparing to propensity score matched populations from a previous semester, we found that the improvement in subsequent transfer performance observed in a previous study mainly came from the latter population, suggesting that the intervention served as an effective reminder for students to activate existing skills, but fell short of developing those skills among those who have yet to master it.