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Motivated Information Seeking and Graph Comprehension Among College Students 大学生的动机性信息寻求与图形理解
Stephen J. Aguilar, Clare Baek
Learning Analytics Dashboards (LADs) are predicated on the notion that access to more academic information can help students regulate their academic behaviors, but what is the association between information seeking preferences and help-seeking practices among college students? If given access to more information, what might college students do with it? We investigated these questions in a series of two studies. Study 1 validates a measure of information-seeking preferences---the Motivated Information-Seeking Questionnaire (MISQ)----using a college student sample drawn from across the country (n = 551). In a second study, we used the MISQ to measure college students' (n=210) performance-avoid (i.e., avoiding seeming incompetent in relation to one's peers) and performance-approach (i.e., wishing to outperform one's peers) information seeking preferences, their help-seeking behaviors, and their ability to comprehend line graphs and bar graphs---two common graphs types for LADs. Results point to a negative relationship between graph comprehension and help-seeking strategies, such as attending office hours, emailing one's professor for help, or visiting a study center---even after controlling for academic performance and demographic characteristics. This suggests that students more capable of readings graphs might not seek help when needed. Further results suggest a positive relationship between performance-approach information-seeking preferences, and how often students compare themselves to their peers. This study contributes to our understanding of the motivational implications of academic data visualizations in academic settings, and increases our knowledge of the way students interpret visualizations. It uncovers tensions between what students want to see, versus what it might be more motivationally appropriate for them to see. Importantly, the MISQ and graph comprehension measure can be used in future studies to better understand the role of students' information seeking tendencies with regard to their interpretation of various kinds of feedback present in LADs.
学习分析仪表板(LADs)基于这样一种观念:获取更多的学术信息可以帮助学生规范他们的学术行为,但是大学生的信息寻求偏好和求助行为之间有什么联系呢?如果给予大学生更多的信息,他们会怎么做呢?我们在一系列的两项研究中调查了这些问题。研究1验证了信息寻求偏好的测量-动机信息寻求问卷(MISQ)----使用来自全国各地的大学生样本(n = 551)。在第二项研究中,我们使用MISQ来衡量大学生(n=210)的“表现回避”(即避免在同伴面前显得无能)和“表现接近”(即希望超越同伴)的信息寻求偏好、寻求帮助的行为以及理解线形图和条形图的能力。线形图和条形图是青少年常用的两种图表类型。结果表明,即使在控制了学业成绩和人口特征之后,图表理解能力与寻求帮助的策略(如参加办公时间、给教授发电子邮件寻求帮助或访问研究中心)之间存在负相关关系。这表明,阅读图表能力较强的学生在需要帮助时可能不会寻求帮助。进一步的研究结果表明,在表现方法的信息寻求偏好和学生与同龄人比较的频率之间存在正相关关系。本研究有助于我们理解学术数据可视化在学术环境中的动机含义,并增加我们对学生解释可视化方式的了解。它揭示了学生想要看到的东西与他们可能更有动机看到的东西之间的紧张关系。重要的是,MISQ和图形理解测量可以在未来的研究中使用,以更好地理解学生的信息寻求倾向在他们对各种反馈的解释中所起的作用。
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引用次数: 10
Towards Hybrid Human-System Regulation: Understanding Children' SRL Support Needs in Blended Classrooms 迈向混合人-系统调节:了解混合教室中儿童的SRL支持需求
I. Molenaar, A. Horvers, R. Baker
This paper proposes a new approach to translate learner data into self-regulated learning support. Learning phases in blended classrooms place unique requirements on students' self-regulated learning (SRL). Learning path graphs merge moment-by-moment learning curves and learning phase data to understand student' SRL support needs. Results indicate 4 groups with different SRL support needs. Students in the self-regulated learning group are capable of learning without external regulation. In the teacher regulation group students need initial teacher regulation but rely on SRL thereafter. Students in the system regulation group require teacher and system regulation to learn. Finally, the advanced system support group is in need of support beyond the current level of system regulation. Based on these insights, the application of personalized dashboards and hybrid human-system regulation is further specified.
本文提出了一种将学习者数据转化为自主学习支持的新方法。混合式课堂的学习阶段对学生的自主学习(SRL)提出了独特的要求。学习路径图合并了时刻学习曲线和学习阶段数据,以了解学生的SRL支持需求。结果显示,4组患者存在不同的SRL支持需求。自我调节学习组的学生能够在没有外界调节的情况下进行学习。在教师调节组中,学生最初需要教师调节,之后则依赖于SRL。制度规制组的学生需要老师和制度规制来学习。最后,先进的制度支持群体需要超越现行制度监管水平的支持。基于这些见解,进一步详细说明了个性化仪表板和混合人机调节的应用。
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引用次数: 23
The validity and utility of activity logs as a measure of student engagement 活动日志作为衡量学生参与度的一种手段的有效性和实用性
Benjamin A. Motz, Joshua Quick, Noah L. Schroeder, Jordon Zook, Matt Gunkel
Learning management system (LMS) web logs provide granular, near-real-time records of student behavior as learners interact with online course materials in digital learning environments. However, it remains unclear whether LMS activity indeed reflects behavioral properties of student engagement, and it also remains unclear how to deal with variability in LMS usage across a diversity of courses. In this study, we evaluate whether instructors' subjective ratings of their students' engagement are related to features of LMS activity for 9,021 students enrolled in 473 for-credit courses. We find that estimators derived from LMS web logs are closely related to instructor ratings of engagement, however, we also observe that there is not a single generic relationship between activity and engagement, and what constitutes the behavioral components of "engagement" will be contingent on course structure. However, for many of these courses, modeled engagement scores are comparable to instructors' ratings in their sensitivity for predicting academic performance. As long as they are tuned to the differences between courses, activity indices from LMS web logs can provide a valid and useful proxy measure of student engagement.
学习管理系统(LMS)的网络日志为学习者在数字学习环境中与在线课程材料互动时的学生行为提供了精细的、近乎实时的记录。然而,目前尚不清楚LMS活动是否确实反映了学生参与的行为特征,也不清楚如何处理LMS在不同课程中使用的可变性。在这项研究中,我们对473门学分课程的9021名学生进行了评估,以评估教师对学生参与度的主观评分是否与LMS活动的特征有关。我们发现,从LMS网络日志中得出的估计值与教师参与度评级密切相关,然而,我们也观察到,活动和参与度之间没有单一的通用关系,构成“参与度”的行为成分将取决于课程结构。然而,对于这些课程中的许多,模型参与分数在预测学习成绩的敏感性方面与教师的评分相当。只要他们考虑到课程之间的差异,LMS网络日志中的活动指数就可以提供一个有效而有用的衡量学生参与度的代理指标。
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引用次数: 26
Counting Clicks is Not Enough: Validating a Theorized Model of Engagement in Learning Analytics 计数点击是不够的:验证学习分析中参与的理论模型
E. Fincham, A. Whitelock-Wainwright, Vitomir Kovanovíc, Srécko Joksimovíc, J. V. Staalduinen, D. Gašević
Student engagement is often considered an overarching construct in educational research and practice. Though frequently employed in the learning analytics literature, engagement has been subjected to a variety of interpretations and there is little consensus regarding the very definition of the construct. This raises grave concerns with regards to construct validity: namely, do these varied metrics measure the same thing? To address such concerns, this paper proposes, quantifies, and validates a model of engagement which is both grounded in the theoretical literature and described by common metrics drawn from the field of learning analytics. To identify a latent variable structure in our data we used exploratory factor analysis and validated the derived model on a separate sub-sample of our data using confirmatory factor analysis. To analyze the associations between our latent variables and student outcomes, a structural equation model was fitted, and the validity of this model across different course settings was assessed using MIMIC modeling. Across different domains, the broad consistency of our model with the theoretical literature suggest a mechanism that may be used to inform both interventions and course design.
学生参与通常被认为是教育研究和实践的首要结构。虽然在学习分析文献中经常使用,但敬业度受到各种解释的影响,并且对于结构的定义几乎没有共识。这引起了关于构造有效性的严重关注:也就是说,这些不同的度量是否测量相同的东西?为了解决这些问题,本文提出、量化并验证了一个参与模型,该模型既基于理论文献,又由学习分析领域的通用指标描述。为了确定我们数据中的潜在变量结构,我们使用探索性因素分析,并使用验证性因素分析在我们数据的单独子样本上验证衍生模型。为了分析潜在变量与学生结果之间的关联,我们拟合了一个结构方程模型,并使用MIMIC模型评估了该模型在不同课程设置中的有效性。在不同的领域,我们的模型与理论文献的广泛一致性表明了一种可用于告知干预措施和课程设计的机制。
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引用次数: 33
Analysing discussion forum data: a replication study avoiding data contamination 分析论坛数据:一项避免数据污染的复制研究
Elaine Farrow, Johanna D. Moore, D. Gašević
The widespread use of online discussion forums in educational settings provides a rich source of data for researchers interested in how collaboration and interaction can foster effective learning. Such online behaviour can be understood through the Community of Inquiry framework, and the cognitive presence construct in particular can be used to characterise the depth of a student's critical engagement with course material. Automated methods have been developed to support this task, but many studies used small data sets, and there have been few replication studies. In this work, we present findings related to the robustness and generalisability of automated classification methods for detecting cognitive presence in discussion forum transcripts. We closely examined one published state-of-the-art model, comparing different approaches to managing unbalanced classes in the data. By demonstrating how commonly-used data preprocessing practices can lead to over-optimistic results, we contribute to the development of the field so that the results of automated content analysis can be used with confidence.
在线论坛在教育环境中的广泛使用为研究协作和互动如何促进有效学习的研究人员提供了丰富的数据来源。这种在线行为可以通过探究社区框架来理解,特别是认知存在结构可以用来表征学生对课程材料的批判性参与的深度。已经开发出自动化方法来支持这项任务,但许多研究使用了小数据集,并且很少有复制研究。在这项工作中,我们提出了与自动分类方法的鲁棒性和通用性相关的研究结果,用于检测讨论论坛文本中的认知存在。我们仔细研究了一个已发表的最先进的模型,比较了管理数据中不平衡类的不同方法。通过展示常用的数据预处理实践如何导致过于乐观的结果,我们为该领域的发展做出了贡献,以便自动化内容分析的结果可以放心地使用。
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引用次数: 37
Deep Knowledge Tracing and Engagement with MOOCs 深度知识追踪与mooc参与
Kritphong Mongkhonvanit, K. Kanopka, David Lang
MOOCs and online courses have notoriously high attrition [1]. One challenge is that it can be difficult to tell if students fail to complete because of disinterest or because of course difficulty. Utilizing a Deep Knowledge Tracing framework, we account for student engagement by including course interaction covariates. With these, we find that we can predict a student's next item response with over 88% accuracy. Using these predictions, targeted interventions can be offered to students and targeted improvements can be made to courses. In particular, this approach would allow for gating of content until a student has reasonable likelihood of succeeding.
mooc和在线课程的流失率非常高[1]。一个挑战是,很难判断学生没有完成课程是因为不感兴趣还是因为课程困难。利用深度知识跟踪框架,我们通过包括课程交互协变量来解释学生参与度。有了这些,我们发现我们可以预测学生对下一个项目的反应,准确率超过88%。利用这些预测,可以向学生提供有针对性的干预措施,并对课程进行有针对性的改进。特别是,这种方法将允许对内容进行限制,直到学生有合理的成功可能性。
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引用次数: 28
Language as Thought: Using Natural Language Processing to Model Noncognitive Traits that Predict College Success 语言即思想:使用自然语言处理来模拟预测大学成功的非认知特征
Cathlyn Stone, A. Quirk, Margo Gardener, Stephen Hutt, A. Duckworth, S. D’Mello
It is widely acknowledged that the language we use reflects numerous psychological constructs, including our thoughts, feelings, and desires. Can the so called "noncognitive" traits with known links to success, such as growth mindset, leadership ability, and intrinsic motivation, be similarly revealed through language? We investigated this question by analyzing students' 150-word open-ended descriptions of their own extracurricular activities or work experiences included in their college applications. We used the Common Application-National Student Clearinghouse data set, a six-year longitudinal dataset that includes college application data and graduation outcomes for 278,201 U.S. high-school students. We first developed a coding scheme from a stratified sample of 4,000 essays and used it to code seven traits: growth mindset, perseverance, goal orientation, leadership, psychological connection (intrinsic motivation), self-transcendent (prosocial) purpose, and team orientation, along with earned accolades. Then, we used standard classifiers with bag-of-n-grams as features and deep learning techniques (recurrent neural networks) with word embeddings to automate the coding. The models demonstrated convergent validity with the human coding with AUCs ranging from .770 to .925 and correlations ranging from .418 to .734. There was also evidence of discriminant validity in the pattern of inter-correlations (rs between -.206 to .306) for both human- and model-coded traits. Finally, the models demonstrated incremental predictive validity in predicting six-year graduation outcomes net of sociodemographics, intelligence, academic achievement, and institutional graduation rates. We conclude that language provides a lens into noncognitive traits important for college success, which can be captured with automated methods.
人们普遍认为,我们使用的语言反映了许多心理结构,包括我们的思想、感觉和欲望。那些与成功有关的所谓“非认知”特质,如成长心态、领导能力和内在动机,是否也能通过语言揭示出来?我们通过分析学生在大学申请中对自己课外活动或工作经历的150字开放式描述来调查这个问题。我们使用了通用应用-国家学生信息中心数据集,这是一个为期六年的纵向数据集,包括278,201名美国高中生的大学申请数据和毕业结果。我们首先从4000篇文章的分层样本中制定了一个编码方案,并用它来编码7个特征:成长心态、毅力、目标导向、领导力、心理联系(内在动机)、自我超越(亲社会)目标和团队导向,以及赢得的荣誉。然后,我们使用n-gram袋作为特征的标准分类器和带有词嵌入的深度学习技术(循环神经网络)来自动编码。该模型与人类编码具有收敛效度,auc范围为0.770 ~ 0.925,相关系数为0.418 ~ 0.734。在-之间的相互关系(rs)模式中也有区别效度的证据。对人类和模型编码的特征都有206到0.306)。最后,这些模型在预测社会人口统计学、智力、学术成就和机构毕业率的六年毕业结果方面显示了增量预测效度。我们得出的结论是,语言提供了一个镜头,让我们看到对大学成功很重要的非认知特征,这些特征可以用自动化的方法捕捉到。
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引用次数: 9
Investigating the Usage Patterns of Algebra Nation Tutoring Platform 代数国家辅导平台使用模式调查
Sahba Akhavan Niaki, Clint P. George, G. Michailidis, C. Beal
We study the usage of a self-guided online tutoring platform called Algebra Nation, which is widely by middle school and high school students who take the End-of-Course Algebra I exam at the end of the school year. This article aims to study how the platform contributes to increasing students' exam scores by examining users' logs over a three year period. The platform under consideration was used by more than 36,000 students in the first year, to nearly 67,000 by the third year, thus enabling us to examine how usage patterns evolved and influenced students' performance at scale. We first identify which Algebra Nation usage factors in conjunction with math overall preparation and socioeconomic factors contribute to the students' exam performance. Subsequently, we investigate the effect of increased teacher familiarity level with the Algebra Nation on students' scores across different grades through mediation analysis. The results show that the indirect effect of teacher's familiarity with the platform through increasing student's usage dosage is more significant in higher grades.
我们研究了一个名为“代数国度”的自学在线辅导平台的使用情况,该平台被在学年结束时参加课程代数I考试的初高中学生广泛使用。本文旨在研究该平台如何通过检查用户在三年期间的日志来提高学生的考试成绩。考虑中的平台在第一年有超过36,000名学生使用,到第三年有近67,000名学生使用,从而使我们能够研究使用模式如何演变并大规模影响学生的表现。我们首先确定哪些代数国家使用因素与数学整体准备和社会经济因素共同影响学生的考试成绩。随后,我们通过中介分析探讨了教师对代数国度熟悉程度的提高对不同年级学生成绩的影响。结果表明,教师通过增加学生使用次数而提高平台熟悉度的间接效应在年级越高越显著。
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引用次数: 8
Descriptive and Predictive Modeling of Student Achievement, Satisfaction, and Mental Health for Data-Driven Smart Connected Campus Life Service 数据驱动的智能互联校园生活服务中学生成绩、满意度和心理健康的描述和预测建模
J. Heo, Hyoungjoon Lim, S. Yun, Sungha Ju, Sangyoon Park, R. Lee
Yonsei University in Korea launched an educational innovation project entitled "Data-Driven Smart-Connected Campus Life Service", for which student-related data have been accumulated at university level since spring of 2015, and descriptive, predictive and prescriptive modeling have been conducted to offer innovative education service to students. The dataset covers not only conventional student information, student questionnaire survey, and university administrative data, but also unconventional data sets such as student location data and learning management system (LMS) log data. Based on the datasets, with respect to 4,000+ freshman students at residential college, we conducted preliminary implementation of descriptive and predictive modeling for student achievement, satisfaction, and mental health. The results were overall promising. First, descriptive and predictive modeling of GPA for student achievement presented a list of significant predictive variables from student locations and LMS activities. Second, descriptive modeling of student satisfaction revealed influential variables such as "improvement of creativity" and "ability of cooperation". Third, similar descriptive modeling was applied to students' mental health changes by semesters, and the study uncovered influential factors such as "difficulty with relationship" and "time spent with friends increased' as key determinants of student mental health. Although the educational innovation project is still in its early stages, we have three strategies of the future modelling efforts: They are: (1) step-by-step improvement from descriptive, predictive, to prescriptive modelling; (2) full use of recurring data acquisition; (3) different level of segmentation.
韩国延世大学启动了“数据驱动的智能连接校园生活服务”教育创新项目,从2015年春季开始在大学层面积累学生相关数据,并进行描述性、预测性和规范性建模,为学生提供创新教育服务。该数据集不仅包括传统的学生信息、学生问卷调查和大学行政数据,还包括学生位置数据和学习管理系统(LMS)日志数据等非常规数据集。基于这些数据集,我们对4000多名住宿学院新生进行了初步的学生成绩、满意度和心理健康的描述性和预测性建模。结果总体上是令人鼓舞的。首先,对GPA对学生成绩的描述和预测建模提出了一系列来自学生所在地和LMS活动的显著预测变量。其次,对学生满意度进行描述性建模,揭示了“创造力提高”和“合作能力”等影响变量。第三,将类似的描述模型应用于学生各学期的心理健康变化,研究发现“人际关系困难”和“与朋友相处的时间增加”等影响因素是学生心理健康的关键决定因素。虽然教育创新项目仍处于早期阶段,但我们对未来的建模工作有三个策略:(1)从描述性、预测性到规范性建模的逐步改进;(2)充分利用循环数据采集;(3)不同程度的分割。
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引用次数: 16
DEBE feedback for large lecture classroom analytics DEBE反馈用于大型讲座课堂分析
R. Mitra, Pankaj S. Chavan
Learning Analytics (LA) research has demonstrated the potential of LA in detecting and monitoring cognitive-affective parameters and improving student success. But most of it has been applied to online and computerized learning environments whereas physical classrooms have largely remained outside the scope of such research. This paper attempts to bridge that gap by proposing a student feedback model in which they report on the difficult/easy and engaging/boring aspects of their lecture. We outline the pedagogical affordances of an aggregated time-series of such data and discuss it within the context of LA research.
学习分析(LA)的研究已经证明了LA在检测和监测认知情感参数和提高学生成功方面的潜力。但大多数研究都是应用于在线和计算机化的学习环境,而实体教室在很大程度上仍然不在此类研究的范围之内。这篇论文试图通过提出一个学生反馈模型来弥合这一差距,在这个模型中,他们报告他们的讲座的困难/容易和吸引/无聊的方面。我们概述了这些数据的聚合时间序列的教学启示,并在洛杉矶研究的背景下讨论了它。
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引用次数: 9
期刊
Proceedings of the 9th International Conference on Learning Analytics & Knowledge
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