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Case—Racial Bias in Automated Traffic Law Enforcement and the Price of Unjustness 案例--自动交通执法中的种族偏见与不公正的代价
INFORMS Transactions on Education Pub Date : 2024-02-28 DOI: 10.1287/ited.2023.0032cs
Chrysafis Vogiatzis, Eleftheria Kontou
{"title":"Case—Racial Bias in Automated Traffic Law Enforcement and the Price of Unjustness","authors":"Chrysafis Vogiatzis, Eleftheria Kontou","doi":"10.1287/ited.2023.0032cs","DOIUrl":"https://doi.org/10.1287/ited.2023.0032cs","url":null,"abstract":"This case study has been developed for students to practice their data analysis and optimization skills in a contemporary societal issue: that of injustice in automated traffic law enforcement. Specifically, this case study is for students of modern data analysis and statistical modeling courses that focus on hypothesis testing; it also has a component for students in optimization and mathematical modeling courses that focus on linear and network optimization. The case study has been used since Spring 2023 in a combination of two courses from the Industrial Engineering (Analysis of Data, an introduction to probability and statistics) and Civil Engineering (Transportation Systems, an introduction to mathematical modeling and optimization for civil engineers with a focus on transportation) curricula.History: This paper has been accepted for the INFORMS Transactions on Education Special Issue on DEI in ORMS Classrooms.","PeriodicalId":37137,"journal":{"name":"INFORMS Transactions on Education","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140037262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Case Article—Racial Bias in Automated Traffic Law Enforcement and the Price of Unjustness 案例文章-自动交通执法中的种族偏见与不公正的代价
INFORMS Transactions on Education Pub Date : 2024-02-28 DOI: 10.1287/ited.2023.0032ca
Chrysafis Vogiatzis, Eleftheria Kontou
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引用次数: 0
How Has the COVID-19 Pandemic Affected Students’ Online Social Presence? COVID-19 大流行如何影响学生的在线社交表现？
INFORMS Transactions on Education Pub Date : 2024-02-13 DOI: 10.1287/ited.2022.0054
Hamidreza Panjehfouladgaran, Foteini Stavropoulou, Misha Teimouri
{"title":"How Has the COVID-19 Pandemic Affected Students’ Online Social Presence?","authors":"Hamidreza Panjehfouladgaran, Foteini Stavropoulou, Misha Teimouri","doi":"10.1287/ited.2022.0054","DOIUrl":"https://doi.org/10.1287/ited.2022.0054","url":null,"abstract":"The coronavirus disease 2019 pandemic has affected higher education institutions worldwide as they had to switch from face-to-face to online teaching almost overnight. This abrupt change made a huge impact on teaching, learning, and particularly, student engagement. This paper focuses on online social presence as an element of student engagement, which represents how students feel under synchronous online teaching. A survey was conducted among 244 first-year students to evaluate the impact of online social interaction, online collaboration, online contact with staff, online engagement, and online active learning on online social presence. Structural equation modeling was used to test and evaluate these multivariate relationships. Our study illustrates that all variables have a significant positive relationship with online social presence. In particular, online social interaction and online collaboration show a more powerful relationship with student online social presence. Thus, digital technologies should be adopted in a way that encourages students to actively interact with their peers.","PeriodicalId":37137,"journal":{"name":"INFORMS Transactions on Education","volume":"23 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139754387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Appreciation to Reviewers, 2023 感谢审稿人，2023 年
INFORMS Transactions on Education Pub Date : 2024-02-01 DOI: 10.1287/ited.2024.reviewthx.v24.n3
{"title":"Appreciation to Reviewers, 2023","authors":"","doi":"10.1287/ited.2024.reviewthx.v24.n3","DOIUrl":"https://doi.org/10.1287/ited.2024.reviewthx.v24.n3","url":null,"abstract":"On behalf of the Editorial Board, I would like to thank the people below who acted as reviewers during the past year. Without your expert counsel and guidance, INFORMS Transactions on Education could not function. Please know your efforts are greatly appreciated!Stefan Creemers, Editor-in-Chief","PeriodicalId":37137,"journal":{"name":"INFORMS Transactions on Education","volume":"231 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139680032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Interactive Spreadsheet Model for Teaching Classification Using Logistic Regression 使用逻辑回归进行分类教学的交互式电子表格模型
INFORMS Transactions on Education Pub Date : 2024-01-12 DOI: 10.1287/ited.2022.0022
Vahid Roshanaei, Bahman Naderi, Opher Baron, Dmitry Krass
{"title":"An Interactive Spreadsheet Model for Teaching Classification Using Logistic Regression","authors":"Vahid Roshanaei, Bahman Naderi, Opher Baron, Dmitry Krass","doi":"10.1287/ited.2022.0022","DOIUrl":"https://doi.org/10.1287/ited.2022.0022","url":null,"abstract":"We present an interactive spreadsheet that supports teaching essential concepts in classification using the logistic regression (LoR) model for binary classification. The interactive spreadsheet demonstrates the capabilities of LoR by integrating computation with visualization. Students will reinforce concepts like probabilities, maximum likelihood estimation (MLE), and the use of likelihoods to optimize parameters for the LoR. We then discuss using LoR for classifications while adjusting its decision boundary (DB), demonstrating how to convert assigned likelihoods into classification using the DB; impact classification outcome by varying DBs; designate predictions as true positive, true negative, false positive, or false negative; and determine the classification accuracy. We use a variety of performance measures, including sensitivity, specificity, precision, negative predictive value, F<jats:sub>1</jats:sub> and F<jats:sub>2</jats:sub> scores, the receiver operating characteristics curve, and lift/decile charts. These measures are dynamically adjusted when the DB changes. We also reiterate the usage of these measures in the context of crossvalidation and imbalanced data sets. We provide a case study that implements LoR and an option for teaching the details behind MLE. We discuss the pedagogical aspects of this spreadsheet based on a survey of the 2022 student cohort in the Master of Management Analytics Program at the Rotman School of Management.","PeriodicalId":37137,"journal":{"name":"INFORMS Transactions on Education","volume":"2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139459011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Case—Digitizing Spare Parts Supply Chain via 3D Printing: An Operational Cost Analysis 通过 3D 打印实现备件供应链数字化：运营成本分析
INFORMS Transactions on Education Pub Date : 2024-01-11 DOI: 10.1287/ited.2022.0072cs
Yue Zhang, William McCall, Jing-Sheng Song
{"title":"Case—Digitizing Spare Parts Supply Chain via 3D Printing: An Operational Cost Analysis","authors":"Yue Zhang, William McCall, Jing-Sheng Song","doi":"10.1287/ited.2022.0072cs","DOIUrl":"https://doi.org/10.1287/ited.2022.0072cs","url":null,"abstract":"","PeriodicalId":37137,"journal":{"name":"INFORMS Transactions on Education","volume":" 32","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139625599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Case Article—Digitizing Spare Parts Supply Chain via 3D Printing: An Operational Cost Analysis 案例文章-通过 3D 打印实现备件供应链数字化：运营成本分析
INFORMS Transactions on Education Pub Date : 2024-01-11 DOI: 10.1287/ited.2022.0072ca
Yue Zhang, William McCall, Jing-Sheng Song
{"title":"Case Article—Digitizing Spare Parts Supply Chain via 3D Printing: An Operational Cost Analysis","authors":"Yue Zhang, William McCall, Jing-Sheng Song","doi":"10.1287/ited.2022.0072ca","DOIUrl":"https://doi.org/10.1287/ited.2022.0072ca","url":null,"abstract":"The case presents a sourcing problem and a manufacturing problem faced by an original equipment manufacturer, seeking recommendations for sourcing a diverse range of parts for high-voltage equipment, as well as making decisions on the manufacturing strategy for a component used in a water monitoring system. The case provides an opportunity to explore the qualitative and quantitative aspects of three-dimensional (3D) printing versus traditional manufacturing, specifically in terms of operational cost. Furthermore, this case facilitates discussions on the potential impact of 3D printing on supply chains. It is suitable for use in graduate and undergraduate courses, as it introduces key concepts such as manufacturing and inventory policies, queueing theory, and life cycle analysis. Ultimately, the case is designed to promote a deeper understanding of the challenges and opportunities that manufacturers face in today’s rapidly evolving technological landscape.Supplemental Material: The Teaching Note and supplemental data are available at https://www.informs.org/Publications/Subscribe/Access-Restricted-Materials .","PeriodicalId":37137,"journal":{"name":"INFORMS Transactions on Education","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139459241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Case Article—Locating a Truck Terminal in Texas 案例文章--在得克萨斯州建立卡车终点站
INFORMS Transactions on Education Pub Date : 2024-01-04 DOI: 10.1287/ited.2022.0042ca
Ngan N. Chau, Gregory E. Benson
{"title":"Case Article—Locating a Truck Terminal in Texas","authors":"Ngan N. Chau, Gregory E. Benson","doi":"10.1287/ited.2022.0042ca","DOIUrl":"https://doi.org/10.1287/ited.2022.0042ca","url":null,"abstract":"This case study introduces students to the decision-making process of a facility location problem and requires them to apply appropriate methods to recommend a desirable terminal location for CBT, a transportation provider in the United States. In response to the increasing number of drivers in the Texas market, CBT explored different options to better serve the rising demand, including a new and second terminal in a different geographic area. Students employ multi-criteria decision-making framework and optimization modeling to support their analysis using empirical data. While students use provided data to solve the problem in the base case, they need to research various publicly available databases in the case extension. This case can be used in undergraduate courses in logistics, transportation, operations, and supply chain management to apply facility location related concepts, or in a business analytics course to illustrate optimization modeling in a real-world context.Supplemental Material: Data are available at https://doi.org/10.1287/ited.2022.0042ca . The Teaching Note is available at https://www.informs.org/Publications/Subscribe/Access-Restricted-Materials .","PeriodicalId":37137,"journal":{"name":"INFORMS Transactions on Education","volume":"26 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139374345","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Case—Locating a Truck Terminal in Texas 案例--在得克萨斯州建立卡车终点站
INFORMS Transactions on Education Pub Date : 2024-01-04 DOI: 10.1287/ited.2022.0042cs
Ngan N. Chau, Gregory E. Benson
{"title":"Case—Locating a Truck Terminal in Texas","authors":"Ngan N. Chau, Gregory E. Benson","doi":"10.1287/ited.2022.0042cs","DOIUrl":"https://doi.org/10.1287/ited.2022.0042cs","url":null,"abstract":"","PeriodicalId":37137,"journal":{"name":"INFORMS Transactions on Education","volume":"36 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139384865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Operations Management Curriculum Development Under Uncertain Situations: Lessons Learned From the Pandemic 不确定情况下的业务管理课程开发:从大流行中吸取的教训
INFORMS Transactions on Education Pub Date : 2023-09-27 DOI: 10.1287/ited.2022.0074
Foteini Stavropoulou, Hamidreza Panjehfouladgaran, Misha Teimouri
{"title":"Operations Management Curriculum Development Under Uncertain Situations: Lessons Learned From the Pandemic","authors":"Foteini Stavropoulou, Hamidreza Panjehfouladgaran, Misha Teimouri","doi":"10.1287/ited.2022.0074","DOIUrl":"https://doi.org/10.1287/ited.2022.0074","url":null,"abstract":"The COVID-19 pandemic has caused a major disruption to higher education as face-to-face teaching had to shift to distance teaching overnight. In this paper, we describe the adaptation of an operations management undergraduate core module, taught to first-year students, from face-to-face delivery to emergency online delivery. In our online version, we used a mix of traditional and flipped classroom techniques. We adopted a “live” online lecture, where students were encouraged to interact with their instructors and ask questions, and flipped live online tutorials, where students and instructors discussed case studies. In addition, we used a web-based simulation game as a learning and assessment tool. After the simulation game was complete, we assessed our students using a reflective group presentation regarding the decisions they made throughout the game. Based on student feedback, the curriculum design and the module adaptations that we adopted for its emergency online delivery can be considered successful. In particular, students were satisfied with the module quality and structure. Following our experience from adapting our face-to-face module for emergency online delivery, we provide a framework for switching to emergency online teaching along with some useful insights and recommendations to operations management educators.","PeriodicalId":37137,"journal":{"name":"INFORMS Transactions on Education","volume":"2022 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135536060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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