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Articles 1 - 30 of 64
Full-Text Articles in Engineering
Analyzing Diverse Student Experiences: The Intersection Of Equity, Inclusivity, And Biomedical Engineering Education Through A Clinical Observations And Needs Finding Course, Jacquelynn Horsey
Biomedical Engineering Undergraduate Honors Theses
In the field of biomedical engineering, needs identification and solution development are an important element of the design process. In our undergraduate curriculum, a course was designed to allow clinical observation and provide an opportunity for students to learn about engineering design and engage with clinicians via completing rotations in medical facilities near our campus. While this type of course is not unique, evaluating its efficacy is not simple. Given the broad range of institutional resources available- such as proximity to a medical school, or residency programs- reporting the quality of such courses within the context of such available resources …
How Students Investigate: Understanding Students’ Use Of Scientific Schemas In Open-Ended Labs, J. Alexander Wall
How Students Investigate: Understanding Students’ Use Of Scientific Schemas In Open-Ended Labs, J. Alexander Wall
Masters of Education in Teaching and Learning
Schema provides a theoretical framework for understanding the nature of science, inquiry, and open-ended labs. These topics have been emphasized in the state standards, especially in high school sciences. In this study the researcher took field notes, collected lab write ups, and conducted focus group interviews to understand students’ use of schema related to open-ended labs. These data were analyzed with the constant comparative method to generate themes. The author describes the major findings with parallel narratives, one focused on a student’s confusion and the other focused on a student’s understanding. The author concludes by advocating for science teachers to …
A Teaching Unit Plan For Introducing Engineering In 1st-2nd Grade Classrooms, Claudia Smith
A Teaching Unit Plan For Introducing Engineering In 1st-2nd Grade Classrooms, Claudia Smith
Chemical Engineering Undergraduate Honors Theses
The field of engineering, and specifically chemical engineering, is projected to increase significantly over the next 10 years. Engineering programs require students to have a strong foundation of math and science. Students in the United States are often underprepared to enter these programs, and the majority of high school students are not interested in pursuing a career in the STEM field at all. For this project, a unit teaching plan was created to introduce students to the field of engineering, providing a foundation for their upper-level STEM classes, and encouraging them to consider engineering as a career in the future. …
The Influence Of In-School Time (Ist) And Out-Of-School Time (Ost) Learning Experiences On Aviation Career Entry, Andrew Koch
The Influence Of In-School Time (Ist) And Out-Of-School Time (Ost) Learning Experiences On Aviation Career Entry, Andrew Koch
Doctoral Dissertations and Master's Theses
Increased demand for aviation has created a skill and workforce gap. An understanding of how to increase this potential workforce is vital to ensure the ongoing success and sustainability of the commercial aviation industry. This research explores science, technology, engineering, and math (STEM) programs as a potential avenue for increasing the available aviation workforce. Specifically, it explores how STEM programs and their associated learning experiences influence career entry.
Utilizing a mixed methodology approach, this research retrospectively explored the self-reported effect of out-of-school time (OST) and in-school time (IST) STEM experiences on aviation career development. Through interviews, a survey instrument was …
Stem Education And Retention For Black Women Using High-Impact Practices: Historically Black Colleges And Universities Vs. Predominantly White Liberal Arts Colleges, Annette Njei
CMC Senior Theses
Black women are significantly underrepresented within the fields of science, technology, engineering, and mathematics (STEM). To address this, the Association of American Colleges & Universities crafted ten high-impact practices to increase student engagement and promote retention. This research paper examines how three specific high-impact practices (learning communities, mentoring, and undergraduate research experience) are utilized in STEM education.This research paper explores and compares the best high impact approaches that successfully teach and retain Black women within the various fields of STEM within the differing academic environments of historically Black colleges & universities ( HBCUs) and predominantly white liberal art colleges (PWLACs). …
Science, Technology, Engineering, And Mathematics (Stem) Project-Based Learning (Pbl) Education: A New Mexico Case Study For Equity And Inclusion, Kimberly A. Scheerer
Science, Technology, Engineering, And Mathematics (Stem) Project-Based Learning (Pbl) Education: A New Mexico Case Study For Equity And Inclusion, Kimberly A. Scheerer
Teacher Education, Educational Leadership & Policy ETDs
This research addresses how student participation in Science, Technology, Engineering, and Mathematics (STEM) project-based learning (PBL) education activities encourages underrepresented minority student achievement in STEM career field trajectories. Seven New Mexico high school counselors and 12 STEM organization personnel were interviewed during this study. Their responses represent the nuanced professional voices where New Mexico public education intersects with STEM student interest and cultural influence.
For students, STEM PBL can foster deep integration across educational disciplines and enhance STEM career trajectory interest and readiness. STEM education converged with PBL methodologies has the ability to leverage community support while broadening student networks. …
Design Artifacts As Externalized Mental Models Of Children’S Science Concept Development, Christine Mcgrail
Design Artifacts As Externalized Mental Models Of Children’S Science Concept Development, Christine Mcgrail
Doctoral Dissertations
The Next Generation Science Standards (NGSS) calls for the integration of the practices of science and engineering across all science disciplines beginning in the early elementary grades. Science and engineering education research has determined that engineering design is a productive means for promoting understanding of science concepts. However, design artifacts created during engineering design problem-solving have not received sufficient attention for their potential to embody children’s science understanding. The aim of this study was to examine how conceptual development of the concepts of force and motion was instantiated in design artifacts by early elementary age children engaged in engineering design. …
Using In Vitro, In Silico, And In-Classroom Techniques To Address The Gender Data Gap In Health Care, Kelsey Watts
Using In Vitro, In Silico, And In-Classroom Techniques To Address The Gender Data Gap In Health Care, Kelsey Watts
All Dissertations
Cardiovascular diseases (CVDs) are the leading cause of death worldwide in males (XY) and females (XX). Prior to menopause, females have a relative protection against serious cardiac pathologies compared to age-matched males. This phenomenon is widely attributed to the ovarian hormone estrogen. Unfortunately, hormone replacement therapy to maintain estrogen levels in postmenopausal females has overall adverse effects, and it is not recommended for long-term use or as a preventative measure for eCVDs. A major driver of CVDs, specifically heart failure, is cardiac fibrosis: the continued buildup of scar tissue that reduces the heart’s ability to pump. There are currently no …
Speaker Diarization And Identification From Single-Channel Classroom Audio Recording Using Virtual Microphones, Antonio Gomez
Speaker Diarization And Identification From Single-Channel Classroom Audio Recording Using Virtual Microphones, Antonio Gomez
Electrical and Computer Engineering ETDs
Speaker identification in noisy audio recordings, specifically those from collaborative learning environments, can be extremely challenging. There is a need to identify individual students talking in small groups from other students talking at the same time. To solve the problem, we assume the use of a single microphone per student group without any access to previous large datasets for training.
This dissertation proposes a method of speaker identification using cross-correlation patterns associated to an array of virtual microphones, centered around the physical microphone. The virtual microphones are simulated by using approximate speaker geometry observed from a video recording. The patterns …
3d Printing Of Ceramics And Polymers For Engineering Applications, Jesus Javier Mata
3d Printing Of Ceramics And Polymers For Engineering Applications, Jesus Javier Mata
Open Access Theses & Dissertations
The Additive Manufacturing industry, in the last years [1] has shown a great push with the development and inclusion of new technologies that have enable the engineering world to achieve great advances. As a consequence of this surge of new technology deriving from the basic principle that conforms additive manufacturing, according to the ASTM a total of seven categories have been defined. The inclusion of these new technologies and the ongoing advances in material implementation has provided the industry with a degree of freedom never seen before, leading to the creation of new solutions to existing problems that seemed impossible …
Monitoring The M-Dwarf Host Stars Of Tess Exoplanet Candidates: Stellar Flares And Habitability, Ashley Lieber
Monitoring The M-Dwarf Host Stars Of Tess Exoplanet Candidates: Stellar Flares And Habitability, Ashley Lieber
Physics Undergraduate Honors Theses
In the search for life beyond our solar system, the study of M-dwarfs has become increasingly important due to their unique characteristics including their small size, flaring capabilities, and long lifespans. Their small size allows for exoplanet detection due to observable gravitational interactions, and the stellar flares could potentially trigger prebiotic life on exoplanets in the system. Lastly, their long lifespans may provide the conditions necessary to foster prebiotic life and the development of more complex organisms over time. Flare rate is a critical factor in determining the habitability of the exoplanet due to its potential to damage or incubate …
Virtual Reality As An Education Tool In Biomedical Engineering, Megan Wilkerson
Virtual Reality As An Education Tool In Biomedical Engineering, Megan Wilkerson
Biomedical Engineering Undergraduate Honors Theses
Virtual Reality (VR) has become more accessible in recent years, both to experience and to create. Various studies have shown that incorporating VR in an educational setting can yield positive results. Virtual reality videos created using course-specific content could prove to be a beneficial educational tool. VR videos were implemented in a remote biomolecular engineering laboratory course. 180° VR videos of lab procedures were recorded and viewed by students using a Google Cardboard headset and their smartphones. After viewing all the VR lab videos, students were given a survey to report their experiences. The survey contained questions used to measure …
Gender Perceptions And Female Students' Academic Engagement And Success In Stem Fields, Rheanna Morgan
Gender Perceptions And Female Students' Academic Engagement And Success In Stem Fields, Rheanna Morgan
School of Social Work Undergraduate Honors Theses
Despite an increase of females in higher education and the workforce, fields such as science, technology, engineering, and mathematics (STEM) continue to be male-dominated. One explanation for this trend is the lack of gender representation and counterstereotypical role models to encourage female engagement in these fields at the university level. Previous research has looked at instructor gender, classroom gender composition, and involvement in extracurricular activities as possible factors influencing students' engagement and success in the classroom. However, few studies have investigated how gender perceptions influence female students in STEM fields. This study uses self-report data from a voluntary survey to …
A Longitudinal Analysis Of Pathways To Computing Careers: Defining Broadening Participation In Computing (Bpc) Success With A Rearview Lens, Mercy Jaiyeola
A Longitudinal Analysis Of Pathways To Computing Careers: Defining Broadening Participation In Computing (Bpc) Success With A Rearview Lens, Mercy Jaiyeola
Theses and Dissertations
Efforts to increase the participation of groups historically underrepresented in computing studies, and in the computing workforce, are well documented. It is a national effort with funding from a variety of sources being allocated to research in broadening participation in computing (BPC). Many of the BPC efforts are funded by the National Science Foundation (NSF) but as existing literature shows, the growth in representation of traditionally underrepresented minorities and women is not commensurate to the efforts and resources that have been directed toward this aim.
Instead of attempting to tackle the barriers to increasing representation, this dissertation research tackles the …
Hands-On 3d Printed Dynamics Activities, Dakota Baker, Jacob Lindberg, Andrew Meyenberg, Junnior Rodriguez
Hands-On 3d Printed Dynamics Activities, Dakota Baker, Jacob Lindberg, Andrew Meyenberg, Junnior Rodriguez
Mechanical Engineering
The advancement of 3D printing has allowed everyday individuals to rapid prototype and manufacture in a more efficient, cost-effective, and timely manner. This has paved the way for a more adaptable educational model, by allowing instructors to easily access alternative instruments for teaching. By providing students with tangible tools, they will better be able to grasp complex principles. Dynamics professors need a way in which they can easily access these academic tools, transport them to and from class, and teach multiple dynamics principles through variations of a single 3D printed kit. Interviews with professors and students were conducted to gain …
Contributing To Engineering Colleges Students' Development Through Out-Of-Class Involvement: A Survey Of Chinese Private Colleges' Engineering Students, Wanlu Li
Education (PhD) Dissertations
The purpose of this study was to investigate the primary characteristics of engineering college students’ involvement in out-of-class activities (OA) at one private college in China through the use of the translated and culturally adapted Chinese version of the Postsecondary Student Engagement Survey (PosSES 2.1). This study provides the statistical analyses of the survey data completed by 283 senior engineering students on their perceptions about their levels of involvement related to positive/negative outcomes students perceive and affective engagement. Data results showed all levels of involvement have a significant influence on positive outcomes. Besides, active involvement degree, hours, and types of …
Toward Developing A Valid And Reliable Assessment Of Learners’ Nature Of Engineering Views, Erdogan Kaya
Toward Developing A Valid And Reliable Assessment Of Learners’ Nature Of Engineering Views, Erdogan Kaya
UNLV Theses, Dissertations, Professional Papers, and Capstones
Nature of Engineering (NOE) refers to the epistemological beliefs pertaining to engineering (Antink-Meyer & Brown, 2019; Deniz et al., 2019; Hartman & Bell, 2018; Kaya et al., 2017; Pleasants & Olson, 2019). Given that a person’s engineering values and beliefs can affect how that individual perceives not only certain tasks, but also his/her ability to accomplish them, it is important to support pre-college teachers and students in improving their NOE understanding. This continues to be one of the main goals of pre-college Science, Technology, Engineering, and Math (STEM) education, and has become particularly relevant since the release of the Next …
Mechani-Kits Senior Design Project, Jake Utley, Sophie Carson, Vincent Seguin
Mechani-Kits Senior Design Project, Jake Utley, Sophie Carson, Vincent Seguin
Mechanical Engineering
Studies suggest that when designed and executed well, hands-on activities can enhance student understanding of key mechanics concepts. Current products are expensive and typically not designed to meet a variety of learning objectives. Through the Mechanics of Inclusion and Inclusivity in Mechanics grant, the Cal Poly Physics and Engineering Departments are seeking to incorporate new hands-on activities into their courses. Our team has designed three inexpensive ”MechaniKits” to be used in physics, statics and dynamics courses [1]. This Final Design Review outlines our findings, objectives, and final designs for this project. It also explains our manufacturing and design verification plans. …
Evolution Of Computational Thinking Contextualized In A Teacher-Student Collaborative Learning Environment., John Arthur Underwood
Evolution Of Computational Thinking Contextualized In A Teacher-Student Collaborative Learning Environment., John Arthur Underwood
LSU Doctoral Dissertations
The discussion of Computational Thinking as a pedagogical concept is now essential as it has found itself integrated into the core science disciplines with its inclusion in all of the Next Generation Science Standards (NGSS, 2018). The need for a practical and functional definition for teacher practitioners is a driving point for many recent research endeavors. Across the United States school systems are currently seeking new methods for expanding their students’ ability to analytically think and to employee real-world problem-solving strategies (Hopson, Simms, and Knezek, 2001). The need for STEM trained individuals crosses both the vocational certified and college degreed …
The Impact Of A Smartlab Implementation On Rural Schools In North Dakota, Tonya M. Greywind
The Impact Of A Smartlab Implementation On Rural Schools In North Dakota, Tonya M. Greywind
Dissertations, Theses, and Projects
This mixed methods quasi-experimental phenomenological study investigated the impact that a SmartLab® implementation had on four rural schools in the state of North Dakota. This study featured semi structured interview questions for facilitators, semi-structured focus group questions for students, and a digital literacy pre and post assessment (DLA) that was administered to students. This study looked at student learning in terms of twenty-first century skills, teacher and student perspectives in terms of student learning as well as teacher perspectives on the impact of the SmartLab® on their own teaching methods.
Two facilitators from two of the four schools were interviewed …
Design Of A Shallow-Aero Ebb And Flow Hydroponics System And Associated Educational Module For Tri Cycle Farms, Julie Halveland
Design Of A Shallow-Aero Ebb And Flow Hydroponics System And Associated Educational Module For Tri Cycle Farms, Julie Halveland
Biological and Agricultural Engineering Undergraduate Honors Theses
Tri Cycle Farms, whose main mission is to reduce food insecurity in their community, is a non- profit urban farm in Fayetteville, Arkansas. The “Tri” in their name refers to the three parts of their foundation: giving a third of their yield to volunteers, giving a third to local food pantries, and selling a third to sustain the farm and demonstrate the economy of local food production. They want to expand on the third part and have a vision of building a hydroponic greenhouse with the intention that it will create more crops to sell and give, as well as …
Dual-Axis Solar Tracker, Bryan Kennedy
Dual-Axis Solar Tracker, Bryan Kennedy
All Undergraduate Projects
Renewable energies, and fuels that are not fossil fuel-based, are one of the prolific topics of debate in modern society. With climate change now becoming a primary focus for scientists and innovators of today, one of the areas for the largest amount of potential and growth is that of the capturing and utilization of Solar Energy. This method involves using a mechanical system to track the progression of the sun as it traverses the sky throughout the day. A dual-axis solar tracker such as the one designed and built for this project, can follow the sun both azimuthally and in …
Tabletop Mechanical Tester, Jamie Dombroski, Brian English, Richard Leffler, Andrew Shirk
Tabletop Mechanical Tester, Jamie Dombroski, Brian English, Richard Leffler, Andrew Shirk
Williams Honors College, Honors Research Projects
The need for hands-on and face-to-face experiences in the engineering classroom is very great. The equations, principles, and concepts can all be learned, but without the visual and tactile application, these don’t always sink in or become concrete. A small-scale tensile test machine was designed, sourced, manufactured, and tested for the purpose of being applied in classroom settings to provide this experience to engineering students. Extensive research was performed concerning tensile machines on the market, the essential elements of which are the load cell, grips, crosshead, extensometer, motor, and frame. The raw materials for the frame were purchased and drawings …
Improving Introductory Computer Science Education With Draco, Mike Dongyub Ryu
Improving Introductory Computer Science Education With Draco, Mike Dongyub Ryu
Master's Theses
Today, many introductory computer science courses rely heavily on a specific programming language to convey fundamental programming concepts. For beginning students, the cognitive capacity required to operate with the syntactic forms of this language may overwhelm their ability to formulate a solution to a program.
We recognize that the introductory computer science courses can be more effective if they convey fundamental concepts without requiring the students to focus on the syntax of a programming language. To achieve this, we propose a new teaching method based on the Design Recipe and Code Outlining (DRaCO) processes. Our new pedagogy capitalizes on the …
Influential Factors In Consumer's Adoption Of Innovative Products, Mahdokht Kalantari
Influential Factors In Consumer's Adoption Of Innovative Products, Mahdokht Kalantari
Wayne State University Dissertations
This dissertation addresses the challenges involved with the process of diffusion of innovations in the contexts of innovative educational materials and technological innovations.
Chapters 2 and 3 discuss building and using Online Brand Communities (OBCs) to disseminate innovative math educational materials. OBCs are known to be important platforms where consumers can communicate with the brand as well as other consumers. Through the effective use of these platforms, brands could accelerate the process of diffusion of their innovations. However, OBCs will not survive if consumers do not get engaged and participate in these communities. The purpose of this section of the …
Gender Effects Of Robotics Programs On Stem-Related Self-Efficacy Of High School Students, Sandra Hall-Lay
Gender Effects Of Robotics Programs On Stem-Related Self-Efficacy Of High School Students, Sandra Hall-Lay
Walden Dissertations and Doctoral Studies
Lack of STEM-related self-efficacy has impeded the growth of women in STEM fields. Out of school (OST) robotics programs and other STEM-related OST programs provide secondary students with opportunities to work in groups, brainstorm, and formulate ideas that require communication and teamwork. The purpose of this quantitative, quasi-experimental study was to compare STEM-related self-efficacy scores among male and female students who participated in OST robotics programs or other OST STEM-related programming. Independent variables were type of OST STEM program and gender. The dependent variable was students' STEM-related self-efficacy as measured by the Coping Self-Efficacy Scale. Responses from 149 students in …
A Methodology To Predict Community College Stem Student Retention And Completion, Jennifer Lynn Snyder
A Methodology To Predict Community College Stem Student Retention And Completion, Jennifer Lynn Snyder
Doctoral Dissertations
"Numerous government reports point to the multifaceted issues facing the country's capacity to increase the number of STEM majors, while also diversifying the workforce. Community colleges are uniquely positioned as integral partners in the higher education ecosystem. These institutions serve as an access point to opportunity for many students, especially underrepresented minorities and women. Community colleges should serve as a major pathway to students pursuing STEM degrees; however student retention and completion rates are dismally low. Therefore, there is a need to predict STEM student success and provide interventions when factors indicate potential failure. This enables educational institutions to better …
Precise Energy Efficient Scheduling Of Mixed-Criticality Tasks & Sustainable Mixed-Criticality Scheduling, Sai Sruti
Masters Theses
"In this thesis, the imprecise mixed-criticality model (IMC) is extended to precise scheduling of tasks, and integrated with the dynamic voltage and frequency scaling (DVFS) technique to enable energy minimization. The challenge in precise scheduling of MC systems is to simultaneously guarantee the timing correctness for all tasks, hi and lo, under both pessimistic and optimistic (less pessimistic) assumptions. To the best of knowledge this is the first work to address the integration of DVFS energy conserving techniques with precise scheduling of lo-tasks of the MC model.
In this thesis, the utilization based schedulability tests and sufficient conditions for such …
Cross Case Study Of An Elementary Engineering Task, John Heffernan
Cross Case Study Of An Elementary Engineering Task, John Heffernan
Doctoral Dissertations
Designerly play has been identified as a fundamental component of childhood learning (Baynes, 1994; Petroski, 2003). However, as students enter grade one and beyond, the increasing academic focus has resulted in the loss of opportunities for designerly play (Zhao, 2012). At the same time, there are increasing calls to increase the number, skill, and diversity of STEM workers (Brophy, Portsmore, Klein, & Rogers, 2008). The robotics based Elementary Engineering Curriculum (Heffernan, 2013) - used by students in this study - and other similar projects have the potential to increase the STEM pipeline but elementary engineering is not well-understood. Research is …
Impacts Of Professional Development In Integrated Stem Education On Teacher Self-Efficacy, Outcome Expectancy, And Stem Career Awareness, John Geoffrey Knowles
Impacts Of Professional Development In Integrated Stem Education On Teacher Self-Efficacy, Outcome Expectancy, And Stem Career Awareness, John Geoffrey Knowles
Purdue Polytechnic Doctoral Dissertations
This research analyzed the effects of teacher professional development and lesson implementation in integrated Science, Technology, Engineering, and Math (STEM) on: 1.) Teacher self-efficacy and their confidence to teach specific STEM subjects; 2.) Teaching outcome expectancy beliefs concerning the impact of actions by teachers on student learning; and 3.) Teacher awareness of STEM careers. High school science and technology education teachers participating in the Teachers and Researchers Advancing Integrated Lessons in STEM (TRAILS) project experimental group attended a ten-day summer professional development institute designed to educate teachers in using an integrated STEM education model to implement integrated STEM lessons. The …