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Shaping Engineering Technology Students’ Perceptions Of Manufacturing Through Experiential Learning In A Flipped Classroom – A Case Study, Rustin Webster
Shaping Engineering Technology Students’ Perceptions Of Manufacturing Through Experiential Learning In A Flipped Classroom – A Case Study, Rustin Webster
School of Engineering Technology Faculty Publications
This study examined how an introductory, survey-based manufacturing systems and processes course – which uniquely integrated a flipped classroom structure and multiple experiential learning elements – influenced engineering technology (ET) students’ perceptions of careers, workforce expectations, workplace dynamics, and essential industry skills within manufacturing. Pooled qualitative data from 52 ET student’s pre- and post-course reflection surveys, administered across four cohorts, were analyzed using topic modeling, sentiment analysis, comparative assessments, keyword frequency analysis, and/or impact assessment. The data offered valuable insights into students understanding of essential job skills, definitions of a good job, and perceptions of factory work. Before the course, …
The Current State Of Dimensioning And Tolerancing Pedagogy In United States Post-Secondary Engineering And Engineering Technology Programs, Jaime Berez, Rustin Webster, Rudy Ottway
The Current State Of Dimensioning And Tolerancing Pedagogy In United States Post-Secondary Engineering And Engineering Technology Programs, Jaime Berez, Rustin Webster, Rudy Ottway
School of Engineering Technology Faculty Publications
Dimensioning and tolerancing (D&T) is understood to be a crucial element of the engineering product lifecycle and has been documented as an important skill for various careers, e.g., engineering, design, manufacturing, and metrology. Even so, there is a widely perceived skills gap in today's workforce. In response to this perceived misalignment between employer expectations and student preparation, a survey of post-secondary engineering and engineering technology (ET) degree programs in the United States was conducted to quantitatively characterize the current state of D&T pedagogy. Respondents (n = 67) who identified as being the instructor-of-record for a course(s) that required students to …
Matter & Change, Carlie Cox
Indiana Stem Teachers’ Perceptions Of The Shift From In-Person To Virtual Training During The Covid-19 Pandemic, Steve Heinold
Indiana Stem Teachers’ Perceptions Of The Shift From In-Person To Virtual Training During The Covid-19 Pandemic, Steve Heinold
Indiana STEM Education Conference
The COVID-19 pandemic brought uncertainty to Indiana teachers in 2020. School closings caused disruptions to teachers’ classroom settings, ongoing training, and social and mental well-being (Pozo-Rico et al., 2020). Indiana GEAR UP’s commitment to teacher professional development for STEM educators led to a shift from their in-person summer teacher training sessions to virtual, just months after the school shutdowns in spring 2020. Participant evaluations showed that teachers appreciated the virtual training options and were able to learn new strategies to apply to their new virtual learning spaces. The online training sessions also had drawbacks. This research brief describes recommendations to …
Spatio-Visual Reasoning And Teamwork Through Hands-On Stem Construction Activities, Comfort Temitope Aje, Maria Eloisa C. Nuguid, Melihan Ünlü, Humphrey Chinenye Ochulor
Spatio-Visual Reasoning And Teamwork Through Hands-On Stem Construction Activities, Comfort Temitope Aje, Maria Eloisa C. Nuguid, Melihan Ünlü, Humphrey Chinenye Ochulor
Indiana STEM Education Conference
This study examined a STEM activity in which students in grades K-6 designed and built a model of Snoopy’s doghouse with considerations for constraints, teamwork, and iterative design. By combining spatial reasoning with imagination and visualization, students collaborated to create 3-D structures from 2-D plans, demonstrating enhanced spatial visualization and the ability to connect geometry to a tangible engineering task. The findings highlight the value of spatio-visual design activities in promoting skills like spatial reasoning, critical thinking, and problem-solving.
Light!, Daniela Manzanero
Parents And Offspring Comparison, Elise Louk
Introduction To Systematic Review For The Health Sciences (Spring 2025), Bethany S. Mcgowan
Introduction To Systematic Review For The Health Sciences (Spring 2025), Bethany S. Mcgowan
Libraries Faculty and Staff Creative Materials
The course syllabus for the Spring 2025 iteration of the graduate course ILS 595: Introduction to Systematic Review for the Health Sciences.
Cultivating Ethical Data Stewardship For Undergraduate Research: A Framework And Toolkit Duo, Wei Zakharov, Senay Purzer, Carla Zoltowski
Cultivating Ethical Data Stewardship For Undergraduate Research: A Framework And Toolkit Duo, Wei Zakharov, Senay Purzer, Carla Zoltowski
Libraries Faculty and Staff Scholarship and Research
Data drives nearly every aspect of research today, from the earliest stages of problem definition to the final dissemination of results. Undergraduate students—often at the beginning of their research journeys—are increasingly working with complex, data-intensive projects. Yet many enter these environments without sufficient training in how to manage, share, and use data responsibly. They may know how to run code or analyze a dataset, but questions of ethics, reproducibility, preservation, and stewardship are rarely an explicit part of this preparation. To address this gap, our interdisciplinary research team at Purdue University launched a multi-year, NSF-funded project entitled Prioritizing Data Life …
Vibtac: A High-Resolution High-Bandwidth Tactile Sensing Finger For Multi-Modal Perception In Robotic Manipulation, Sheeraz Athar, Xinwei Zhang, Jun Ueda, Ye Zhao, Yu She
Vibtac: A High-Resolution High-Bandwidth Tactile Sensing Finger For Multi-Modal Perception In Robotic Manipulation, Sheeraz Athar, Xinwei Zhang, Jun Ueda, Ye Zhao, Yu She
School of Industrial Engineering Faculty Publications
Tactile sensing is pivotal for enhancing robot manipulation abilities by providing crucial feedback for localized information. However, existing sensors often lack the necessary resolution and bandwidth required for intricate tasks. To address this gap, we introduce VibTac, a novel multi-modal tactile sensing finger designed to offer high-resolution and high-bandwidth tactile sensing simultaneously. VibTac seamlessly integrates vision-based and vibration-based tactile sensing modes to achieve high-resolution and high-bandwidth tactile sensing respectively, leveraging a streamlined human-inspired design for versatility in tasks. This paper outlines the key design elements of VibTac and its fabrication methods, highlighting the significance of the Elastomer Gel Pad (EGP) …
Supporting Black Math Educators: A Call To Action, Jonathan Dinkins
Supporting Black Math Educators: A Call To Action, Jonathan Dinkins
Indiana STEM Education Conference
Supporting Black math educators is crucial for fostering a more equitable and inclusive educational environment. Some research has shown that ongoing support from administration, various types of professional development (PD) opportunities, and mentoring equip Black math educators with the tools they need to be successful and grow with their educational pursuits (Frank et al., 2021; Moseley, 2018; Sun, 2018). This research brief will define the meaning of support for Black math educators, identify ways in which these supports can be effective, and suggest additional research necessary to continue to push the needle towards a more inclusive educational environment.
Leveraging Undergraduate Expertise For Effective Stem Instruction: Insights From A Forensic Science Teaching Partnership, Swagata Sarkar, Hui-Hui Wang, Austin R. Jenkins, Mariah K. Stollar
Leveraging Undergraduate Expertise For Effective Stem Instruction: Insights From A Forensic Science Teaching Partnership, Swagata Sarkar, Hui-Hui Wang, Austin R. Jenkins, Mariah K. Stollar
Indiana STEM Education Conference
Although integrated science, technology, engineering, and mathematics (STEM) instruction has been cited as a viable instructional approach to increasing the number of students interested and prepared to enter the STEM workforce, teacher content knowledge can be a limiting factor to effective implementation (Ejiwale, 2013). To address this limitation, college STEM majors can use their content expertise to support the development and implementation of integrated STEM experiences for K-12 students (Ferrara et al., 2018). This research brief reports on a university-high school partnership where undergraduate students in a university forensic science club created and implemented integrated STEM lessons in a local …
Leveraging Apprenticeship In Place-Based Education To Advance Integrated Stem Learning, Brent Farrell
Leveraging Apprenticeship In Place-Based Education To Advance Integrated Stem Learning, Brent Farrell
Indiana STEM Education Conference
Place-based education (PBE), which leverages local knowledge and community resources, is increasingly recognized as an effective approach to fostering STEM learning, especially in rural settings (Avery, 2013). Students from underrepresented rural populations could provide important contributions to the future STEM workforce if attracted to the disciplines during their K-12 education. Integrating real-world experiences with local industry expertise into the curriculum makes STEM more relevant and fosters critical thinking and problem-solving skills essential for future STEM careers. This research brief proposes a study on the positive effects of cognitive apprenticeship, grounded in rural PBE contexts, creating potential for increased efficacy for …
A Comparison Of Professional Development For Teachers Of Mathematics In Belize And The United States, David Feikes
A Comparison Of Professional Development For Teachers Of Mathematics In Belize And The United States, David Feikes
Indiana STEM Education Conference
This paper provides a limited comparison of professional development (PD) workshops conducted in Belize and in the United States (US). Three workshops were conducted in Belize; 2019, 2022, and 2024. Multiple workshops were conducted in the US between 2021 and 2023. All workshops in Belize and the US were one week in duration and covered similar topics. Although the working conditions in the schools and workshops were different in each country, data analysis found similar teacher satisfaction and growth results.
The Aftermath Of An Earthquake: Healing Power Of Engineering For Turkish Elementary School Children, Pinar Fettahlioglu, Senay Purzer, Cagan Findikkiran
The Aftermath Of An Earthquake: Healing Power Of Engineering For Turkish Elementary School Children, Pinar Fettahlioglu, Senay Purzer, Cagan Findikkiran
Indiana STEM Education Conference
The February 6th, 2023, earthquake significantly impacted children in Turkey, causing both physical and emotional challenges. To help students enhance their understanding of earthquakes and their impact, we have integrated engineering-based STEM activities in a 5th-grade classroom. Students designed earthquake-proof structures and tested their strength. The research involved 15 students from the earthquake-affected region of Adana. Data included a conceptual understanding scale using a single-group pre-test and post-test design. Analysis indicated that students had limited prior knowledge about the causes of and safety measures for earthquakes before the intervention. Post-test results revealed statistically significant improvements in their learning.
Linguistic Knowledge For Teachers: Supporting Multilingual Learners In The Science Of Reading Era, Brenda Sarmiento Quezada
Linguistic Knowledge For Teachers: Supporting Multilingual Learners In The Science Of Reading Era, Brenda Sarmiento Quezada
Science of Reading
The Science of Reading (SOR) has gained widespread attention as a framework for strengthening foundational literacy skills, yet its implementation often assumes a monolingual English context. This brief argues that equitable SOR practices require teachers to develop a working knowledge of linguistics to better support multilingual learners. Six core areas of linguistic knowledge: phonology, morphology, syntax, semantics, pragmatics, and dialect variation, are described with attention to their impact on reading development. Each area includes examples of cross-linguistic differences that shape how students acquire English literacy and highlights practice implications for classroom instruction. The brief concludes by emphasizing the need for …
Preparing For Snow: Weather Safety, Meg Roney
A Unified Rheological Parameter For Concrete: Application Of The Shear Work Index In Flowability Optimization, Wang Yao, Jihong Gao, Kunmiao Xu, Baolin Guo, Yongzhi Guo, Qinfei Li
A Unified Rheological Parameter For Concrete: Application Of The Shear Work Index In Flowability Optimization, Wang Yao, Jihong Gao, Kunmiao Xu, Baolin Guo, Yongzhi Guo, Qinfei Li
International Conference on Durability of Concrete Structures
Adequate flowability is crucial to ensure proper homogeneity, mechanical properties, and durability of hardened concrete. A new parameter called the Shear Work Index (SWI), which combines yield stress and plastic viscosity, was recently proposed by the authors to evaluate concrete flowability. Factors that can influence SWI are analysed in this paper. Application methods of SWI are demonstrated through case studies involving the evaluation of rheology-modifying materials, the selection of the optimal manufactured sand replacement ratio in mixed sand, and the determination of concrete vibration time. The findings highlight the effectiveness of SWI as a comprehensive parameter for optimising concrete mix …
Supporting The Self-Confidence Of A Student With Mathematics Learning Disabilities Through The Engineering Design Process, Esra Yilmaz Bilir, Cetin Kursat Bilir, Danyal Soybas
Supporting The Self-Confidence Of A Student With Mathematics Learning Disabilities Through The Engineering Design Process, Esra Yilmaz Bilir, Cetin Kursat Bilir, Danyal Soybas
Indiana STEM Education Conference
Although STEM education has been widely studied, research on its application for students with Mathematics Learning Disabilities (MLDs) remains limited. One promising approach is using an engineering design process (EDP) (Yilmaz Bilir, 2021), which promotes hands-on problem-solving and fosters cognitive and emotional growth. This study explores the self-confidence of an MLD student during the preparation stage of an EDP. The results indicate that the student’s self-confidence in STEM subjects and social communication skills improved even at the preparation stage. These findings emphasize the value of the preparation stage of an EDP and offer insights for designing effective STEM learning modules.
Mgo Boards – The Tension Between Innovation And Standardisation, D. Mcpolin, T. Aiken, M. Russell, L. Bagnall
Mgo Boards – The Tension Between Innovation And Standardisation, D. Mcpolin, T. Aiken, M. Russell, L. Bagnall
International Conference on Durability of Concrete Structures
National and international test standards are critical to how we use and design cementitious materials. However, there are occasions when products, such as magnesium oxychloride boards, do not fall within existing harmonised standards. Technical Assessment Bodies do provide a way of allowing the introduction of new materials via European Technical Assessment or British Board of Agrément certification. Such certification should provide confidence to insurance bodies and building owners in the absence of a national standard, which can take many years to emerge. This paper discusses the fundamental science and testing of MOC boards and the discovery of startling difference in …
Stem Education In Indiana: Analyzing The Availability Of Stem-Certified Schools For Underrepresented Communities, Bryan J. Duarte
Stem Education In Indiana: Analyzing The Availability Of Stem-Certified Schools For Underrepresented Communities, Bryan J. Duarte
Indiana STEM Education Conference
This study examines the equity of access to STEM-certified schools in Indiana, focusing on differences in student demographics between STEM-certified and non-STEM-certified schools. The results show no statistically significant differences in the percentage of female, non-White, or lower socio-economic students between the two groups. However, significant differences were found in the percentages of Latiné/a/o/x, Native Hawaiian or Pacific Islander, and Asian students, with these groups being underrepresented in STEM-certified schools compared to non-STEM-certified schools.
Boosting Computational Thinking In Integrated Stem Education With Cad, Hyeong Kyun Park, Jung Han, Yunjin Lim
Boosting Computational Thinking In Integrated Stem Education With Cad, Hyeong Kyun Park, Jung Han, Yunjin Lim
Indiana STEM Education Conference
Integrated STEM education offers a powerful approach to enhancing students’ learning. By integrating science inquiry, technological literacy, engineering design, and mathematical thinking, integrated STEM fosters students’ 21st-century competencies, such as creativity, critical thinking, collaboration, and computational thinking. Drawing from a national integrated STEM project, this research uses a classroom case study to investigate the integration of Computer-Aided Design (CAD) and 3D printing into a STEM learning activity. It examines the use of mathematical computation to determine the best solution for a prototype that meet functional criteria. This research highlights how introducing CAD instruction enhances computational thinking within a conceptual framework …
The Power Of Our Words: Imperatives And Personal Pronouns In Written And Enacted Mathematics Curriculum, Amanda Huffman Hayes
The Power Of Our Words: Imperatives And Personal Pronouns In Written And Enacted Mathematics Curriculum, Amanda Huffman Hayes
Indiana STEM Education Conference
As teachers, our use of imperatives (e.g., find, explain) and personal pronouns (e.g., you, we, I) contribute to our students’ learning and the roles they take in class. Using an ethnographic case study design, I explored the language of the written and enacted curriculum in a fundamental algebra course. My analysis revealed the power of language in the relationship between the authors and readers and the teacher and students. Providing students with a share in authority can increase their engagement.
In-Situ Tests Of Transport Properties Of Near-Surface Concrete, Kai Yang, P.A. Muhammed Basheer, Fengyuan Yang, Da Xia, Basilios Tsikouras
In-Situ Tests Of Transport Properties Of Near-Surface Concrete, Kai Yang, P.A. Muhammed Basheer, Fengyuan Yang, Da Xia, Basilios Tsikouras
International Conference on Durability of Concrete Structures
Determining the water permeability of concrete in structures remains a conundrum because of difficulties in removing the influences of moisture. This study describes the extended flow-net theory developed on the basis of the two-pressure head concept, which provides a means of measuring permeability under the partially saturated condition. Surface mounted tests and the standard laboratory water penetration tests were carried out to verify this approach. Before determining the water permeability, steady state flow rates at two different pressure levels were evaluated and the effects of initial moisture conditions on flow behaviour were investigated. The results indicate that the proposed approach …
Degradation Mechanisms And Microstructural Performance Of 3d-Printed Engineered Cementitious Composites With Yellow River Sand Under Chloride Ion Wet-Dry Cycles, Ali Raza, Chengfang Yuan
Degradation Mechanisms And Microstructural Performance Of 3d-Printed Engineered Cementitious Composites With Yellow River Sand Under Chloride Ion Wet-Dry Cycles, Ali Raza, Chengfang Yuan
International Conference on Durability of Concrete Structures
3D printing of Engineered Cementitious Composites (ECC) is an emerging, cutting-edge construction technology that enables layer-by-layer fabrication without the need for formwork or steel reinforcement. ECC exhibits superior tensile strength and crack resistance compared to conventional concrete. However, the durability of composite structures, especially in marine environments exposed to harsh conditions such as sulfate and chloride ions, remains a concern. This study investigated the performance of cast and 3D-printed specimens under chloride ion wet–dry cycles (0, 5, 10, 15, 20, 25, and 30 cycles) and utilised sustainable Yellow River sand (YRS) as a partial replacement for quartz sand to reduce …
2025 Personal-Sized Seedless Watermelon Cultivar Evaluation In Indiana, Wenjing Guan, Dennis Nowaskie, Cesar Escalante
2025 Personal-Sized Seedless Watermelon Cultivar Evaluation In Indiana, Wenjing Guan, Dennis Nowaskie, Cesar Escalante
Midwest Vegetable Trial Reports
Indiana ranks fifth in the United States for watermelon production in 2024. Most of the state’s production consists of red-flesh seedless cultivars with fruit weighing 9 lbs and above. A small portion of watermelon production devoted to mini seedless types. Meanwhile, interest in watermelon production among small and diversified vegetable farms is increasing, where smaller-sized watermelons are likely fit better at these farms. In this report, we summarize the performance of 12 personal-sized watermelon cultivars evaluated at the Southwest Purdue Agricultural Center (SWPAC) in Vincennes, IN, during the 2025 season.
Feasibility Of Utilizing Native Grasses And Forbs In Lieu Of Exotic Cool Season Grasses On Roadside Rights-Of-Way, Wesley Bollinger, Rabin Bhattarai, Jeffrey W. Matthews
Feasibility Of Utilizing Native Grasses And Forbs In Lieu Of Exotic Cool Season Grasses On Roadside Rights-Of-Way, Wesley Bollinger, Rabin Bhattarai, Jeffrey W. Matthews
JTRP Technical Reports
We assessed the status of 34 native species plantings along roadsides in Indiana and Illinois and evaluated soil conditions, distance from road, and surrounding landscape cover to determine which factors led to successful long-term establishment of plantings. Cover by seeded native species and native species overall increased with distance from road and decreased with increasing soil nitrate and phosphorous. Number of native species and seeded native species increased with distance from road and greater seed mix diversity. In contrast, richness of non-native, non-seeded species was greater at shorter distances from road. Across all sites, 84 of the 150 native species …
Reducing The Dependency On Chlorides And Impacts, Ajuna P. John, Hoon C. Shin, Isaiah C. Mwamba, David J. Yu, Amisha Shah, Samuel Labi
Reducing The Dependency On Chlorides And Impacts, Ajuna P. John, Hoon C. Shin, Isaiah C. Mwamba, David J. Yu, Amisha Shah, Samuel Labi
JTRP Technical Reports
This study examined the performance and environmental impacts of various deicing materials, assessed their short- and long-term effects on infrastructure, soil, and water quality, and identified opportunities for operational improvement within INDOT’s winter maintenance practices. The study used a comprehensive methodology that included an extensive literature review, a detailed survey of INDOT personnel (both field crews and supervisory staff), in-depth interviews, and rigorous statistical analysis. Additionally, a multi-criteria decision analysis framework was developed and used to evaluate alternative deicing materials based on performance, cost, environmental impact, and ease of application. The results and findings suggest that sodium chloride remains the …
Backcalculated Dynamic Modulus Master Curve From The Time Histories Of Falling Weight Deflectometer Surface Deflections, Mohammad Ali Notani, Seonghwan Cho, John E. Haddock
Backcalculated Dynamic Modulus Master Curve From The Time Histories Of Falling Weight Deflectometer Surface Deflections, Mohammad Ali Notani, Seonghwan Cho, John E. Haddock
JTRP Technical Reports
Accurate structural evaluation of flexible pavements is important for cost-efficient maintenance and rehabilitation (M&R) strategies. Traditional back-calculation methods based on Falling Weight Deflectometer (FWD) data assume elastic behavior, overlooking the viscoelastic nature of asphalt materials and subsequently leading to inaccuracies. This study introduces a mechanistic-based back-calculation technique to estimate the dynamic modulus (E*) master curve directly from FWD time-history data. By integrating layered elastic theory with viscoelastic principles, the proposed method first determines the relaxation modulus, E(t), using Differential-Time Fourier Transform (DTFT) analysis. This time-domain response is then converted into the frequency domain to construct the E* master …
Development Of Incident Management Performance Measures Database And Supporting Training Material, Myles W. Overall, Justin Mukai, Rahul Suryakant Sakhare, Jairaj Desai, Hillary Lowther, Edward Cox, James Sturdevant, Darcy M. Bullock
Development Of Incident Management Performance Measures Database And Supporting Training Material, Myles W. Overall, Justin Mukai, Rahul Suryakant Sakhare, Jairaj Desai, Hillary Lowther, Edward Cox, James Sturdevant, Darcy M. Bullock
JTRP Technical Reports
Secondary crashes resulting from traffic queues are a significant national safety concern. Traffic Incident Management (TIM), which involves coordinated multi-agency response to roadway incidents, is widely recognized as an effective approach to mitigating these crashes. This study aimed to develop a library of after-action case studies to support TIM training and evaluate current practices. Leveraging connected vehicle data alongside crash reports, camera footage, and dispatch audio, the research compiled 267 comprehensive after-action review reports for incidents across Indiana from June 2020 to March 2025. These reports, indexed by key attributes such as date, location, and incident type, form what is …