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NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Christopher D. Schmitz, University of Illinois; Michael C. Loui, University of Illinois, Urbana-Champaign; Renata A Revelo, University of Illinois, Urbana-Champaign

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, the teaching assistants, and even the instructor to discern.In this study, we investigated whether we could maintain student interest by using students'previous experiences to personalize the course material throughout the semester. When studentsfind the course material relevant to their own interests, they are likely to become engaged and toachieve deep learning.1 By continually applying the course topics towards personal interests, thestudents are primed to tackle a final project where they are encouraged and guided whileapplying their skills to a project of personal interest.To personalize the course material, we pose a general question to the students, evaluate theiranswers, and then hopefully convert one or more answers into an example

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Shane Cotter, Union College; Anastasia Pease, Union College

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NSF Grantees Poster Session

Society1 and to the impact of September 11thon civil liberties in the last ten years through a study by the American Civil Liberties Union2. Inclass, students discussed the role of biometrics and how they feel the world has changed since9/11. Interestingly, we found that students have relatively little knowledge of the world prior to9/11 upon which to base a comparison, as they would only have been around 8 years old at thetime of the attack.We introduced students to the technology behind a number of biometrics, and in each case thebasic structure of the technology was emphasized so that students learned the fundamentals ofthese pattern recognition systems. As shown in figure 1, the systems all rely on the gathering ofclean training samples to

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Lisa Arnold, Alma High School, Alma, MI; Ze Zhang; Tolga Kaya, Central Michigan University; Bingbing Li, Department of Chemistry, Science of Advanced Materials Doctoral Program, Central Michigan University ; Qin Hu, Central Michigan University

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NSF Grantees Poster Session

converge on the powerful idea that by integrating technology and engineering into the science curriculum, teachers can enable their students to use what they learn in their everyday lives.1 Science teachers have traditionally followed the textbook definition of the scientificmethod which consists of the following steps: define problem, make hypothesis, set up and doexperiment and draw conclusion, but today’s science teachers are now facing the reality ofhaving to implement the engineering process in their instruction. The engineering processconsists of these following steps: define problem; research problem; develop possible solutions;select best possible solution; construct prototype; test and evaluate; and redesign

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Mo Ahmadian, Eastern New Mexico University

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NSF Grantees Poster Session

years(Fall-2009 through Spring–2013). Principal investigators (PIs) activities included proactiverecruitment and advertising; offering a one-credit course every fall semester that providedstudents with skills in job interviewing; teamwork; learning about the future job market andsome business skills, plus active mentoring and tutoring. As shown in Table 1, a total of 115scholarships were given to for the duration of the award. Some students received scholarshipsfor multiple years. The main goal of the S-STEM project was to enable academically talentedstudents, with financial need as defined by the federal government, to either enter a STEMdiscipline (in order to complete their bachelor degree and then enter the workforce) or to pursuea graduate

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Monica E Cardella, Purdue University, West Lafayette; Marisa Wolsky, WGBH Educational Foundation; Christine Andrews Paulsen, Concord Evaluation Group; Tamecia R. Jones, Purdue University, West Lafayette

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families. Roughly 13% ofindividuals in the U.S. were classified as below “poverty-level” in 200814. Page 23.747.5Thirdly, evaluation has shown that Design Squad has a significant impact on children’sunderstanding of engineering and attitudes towards engineering. A summative evaluationconducted by Goodman Research Group, Inc. (GRG) found that, after watching just four DesignSquad episodes, children’s attitudes towards engineering changed significantly. Children weresignificantly more likely to agree with three statements about the work engineers do: (1)engineers help make people’s lives better, (2) engineers solve problems that affect real people,and

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Emmanuelle Reynaud, University of Massachusetts, Lowell; Linda Barrington, University of Massachusetts, Lowell; Ella Willard-Schmoe, University of Massachusetts Lowell

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the community. A list of the 33 courses containing an S-L componentis presented in Figure 1. In this figure, each column represents an academic year in a givendepartment. Dots with deeper shading indicate that the S-L project was mandatory for eachstudent in the course, while lighter shading indicates that the S-L project was elective. The sizeof each dot is proportional to the number of classes with an S-L component in each departmenteach semester.Figure 1: Number of S-L courses by year and place in the curriculum in the five departmentsFigure 2 is another representation, where the size of the dots is proportional to the number ofstudents involved rather than the number of courses offering S-L component. A list of the

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Yongpeng Zhang, Prairie View A&M University; Lin Li, Prairie View A&M University

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NSF Grantees Poster Session

in Figure 1. Page 23.769.3 Web Server Client Browser Internet Experiment Server Figure 1. The remote engineering laboratory framework In the remote labs, the LabVIEW programs are hosted by the experiment server whichconnects the physical

Conference Session

NSF Grantees' Poster Session

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2013 ASEE Annual Conference & Exposition

Authors

James L. Hanson, California Polytechnic State University

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NSF Grantees Poster Session

research activities. Many of the previous experiences with undergraduatesconducting research relate to highly structures programs, such as Research Experience forUndergraduates (REU) Programs sponsored by the National Science Foundation (e.g., Refs. 1, 2)Other similar devoted research efforts for groups of undergraduate students have been reportedwith funding from other sources, including an industry-sponsored program (e.g., Ref. 3) and astate-agency sponsored program (e.g., Ref. 4). These activities with devoted research programsare generally large in scope.Bringing research to the classroom also has been reported for K-12 classrooms (e.g., Refs. 5, 6).In addition, Research Experience for Teachers (RET) Programs (also sponsored by the

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Shiwen Mao, Auburn University; Yingsong Huang, Department of Electrical and Computer Engineering, Auburn University; Yihan Li, Auburn University; Prathima Agrawal, Auburn University; Jitendra K Tugnait, Auburn University

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NSF Grantees Poster Session

programmablewireless platforms that allow researchers to create software radios, such as Ettus Research LLC’sUniversal Software Radio Peripheral (USRP) (acquired by National Instruments Corporation inFeb. 2010), Rice University’s Wireless Open-Access Research Platform (WARP), and othercommercial platforms. 1 Department of Electrical and Computer Engineering, Auburn University, 200 Broun Hall, AuburnUniversity, Auburn AL 36849-5201, smao@ieee.org 2 Department of Electrical and Computer Engineering, Auburn University, 200 Broun Hall, AuburnUniversity, Auburn AL 36849-5201, yzh0002@tigermail.auburn.edu 3 Department of Electrical and Computer Engineering, Auburn University, 200 Broun Hall, AuburnUniversity, Auburn AL 36849-5201, yli

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Stephen J Krause, Arizona State University; Dale R Baker, Arizona State University; Adam R Carberry, Arizona State University; Milo Koretsky, Oregon State University; Bill Jay Brooks, Oregon State University; Debra Gilbuena, Oregon State University; Cindy Waters, North Carolina A&T State University; Casey Jane Ankeny, Arizona State University

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taught six different biology and engineering courses. Dr. Ankeny aspires to employ student engagement strategies in the context of biomedical engineering education in the future. Page 23.837.2 c American Society for Engineering Education, 2013 Just-in-Time-Teaching with Interactive Frequent Formative Feedback (JiTTIFFF or JTF) for Cyber Learning in Core Materials CoursesAbstractIn this new NSF-sponsored Type 2 TUES (Transformation of Undergraduate Engineering inSTEM) project, we are using engagement, assessment, and reflection tools developed in asuccessful CCLI Phase 1 project and are

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Kathleen Meehan, Virginia Tech; Justin Adam Cartwright, Virginia Tech

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NSF Grantees Poster Session

ofPSpice that would be used in the prelabdesign, analysis, and simulations; tutorial on ameasurement technique, and a tutorial on afacet of MATLAB that is used in the post-labanalysis of results. The overview of theexperiment module is always posted while the Fig. 1: List of learning online modulesother modules are included as needed. In created for students in the second circuits lab Page 23.842.3addition, links to the report template and course and posted on the course Scholar site.instructions on how students will validate their experiments are also included. A list of themodules that were made for two experiments used in the Fall 2012 semester is

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Tolga Kaya, Central Michigan University; Kumar Yelamarthi, Central Michigan University; Brian P DeJong, Central Michigan University; Qin Hu, Central Michigan University; Shaopeng Cheng, Central Michigan University ; Steve Kettler, Alma High School; Daniel Chen, Central Michigan University

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will target rural Michigan teachers located northern LowerPeninsula.”We aimed to: 1. establish a unique collaborative partnership between Central Michigan University (CMU) entities such as engineering faculty; Science/Mathematics/Technology Center (SMTC); Page 23.850.4 and Center for Excellence in Education (CEIE); together with Science and Mathematics Program Improvement (SAMPI) of Western Michigan University, and high school STEM in-service and pre-service teachers in the northern lower peninsula of Michigan; 2. provide a STEM-based platform on which high school STEM teachers gain exposure to basic engineering

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Yanna Lambrinidou, Virginia Tech; Marc Edwards, Virginia Tech

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NSF Grantees Poster Session

Bhopal in 1984) that drew public attention to the ethical duties of engineersand scientists, propelled vigorous writing of professional codes of conduct, andestablished the academic discipline of engineering ethics.1-2 As a growing number ofdocumented real-world cases suggests, engineers and scientists who become alienatedfrom their public clients, are also much more vulnerable to self-interest, self-delusion,and institutional pressures that can contribute to unethical conduct and suboptimalprofessional decisions.3-8The growing multi-cultural and international dimensions of engineering and science;9-10an increasing reliance on interdisciplinary, inter-organizational, and team-basedcollaborations;11-12 rising competition in the technological

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Christine Ehlig-Economides, Texas A&M University; Bugrahan Yalvac, Texas A&M University; Emily Binks-Cantrell, Texas A&M University; Don R Gilman PE, PMP, Texas A&M University; Mehmet Ayar, TUBITAK; Timothy Allen Robinson, Penn State University; Anthony R Kovscek, Stanford University; Reza Toossi, California State University, Long Beach; Sarma V. Pisupati, Pennsylvania State University, University Park; Sukesh K Aghara, University of Massachusetts Lowell

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NSF Grantees Poster Session

intensity and environmental impact.At CSULB, 100 to 300 students enroll in the energy and environment course in every semester.Roughly 20% of students are from engineering, another 20% from environmental science policyprogram, and rest from all majors across the campus. Students participate in a variety ofactivities including online group discussion and debate, projects and site visits.The characteristics of the five faculty participants and their instructional contexts aresummarized in Table 1.Table 1. Faculty participants’ characteristics and the context of their instructional media.Faculty Campus Gender Years of Number of ApproximateMember Location teaching in

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Jianyu Dong, California State University, Los Angeles; Pearl Chen, California State University, Los Angeles

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

engineeringstudents [5]. However, up to date research on this aspect is still not adequate to generate acomprehensive understanding of PBL in engineering context. In 2013, California StateUniversity Los Angeles received a RIGEE grant from NSF to conduct an interdisciplinaryresearch to study the impact of collaborative project-based learning (CPBL) on the self-efficacyof traditionally underrepresented minority groups in electrical engineering courses. The projectgoals include: 1) Improve the understanding of the factors that affect the self-efficacy of minoritystudent groups in Engineering; 2) Develop better ways to measure the impact of collaborativelearning in the developmental stages of the student learning process in addition to the learningoutcomes; 3

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Kenneth Reid, Ohio Northern University; David Reeping, Ohio Northern University

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NSF Grantees Poster Session

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Division Experimentation & Lab-Oriented Studies

establishing a common frameworkseems to be a necessary step toward informing curricular reform and program development.Development of the SchemeThree separate methodologies were used to develop the classification scheme: analysis of syllabi,analysis of results of workshop discussion, and a culminating Delphi study. Using a multiplemethod approach allowed for different, iterative versions of the scheme to be created. As moreinformation regarding course outcomes became available, gaps began to emerge. Due to thenature of the data collection, these inconsistencies were resolved and, as a result, completed amore accurate picture of first year engineering courses.Method 1: Analysis of syllabiIn an effort to identify common concepts and student learning

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Matthew W. Ohland, Purdue University and Central Queensland University; Catherine E. Brawner, Research Triangle Educational Consultants; Xingyu Chen, Purdue University, West Lafayette; Marisa K. Orr, Louisiana Tech University

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Kikendall Orr, Louisiana Tech University Page 24.32.1 c American Society for Engineering Education, 2014 A Comparative Study of Engineering Matriculation Practices NSF IEECI Grant 1025171Project goalsThe original major goals of this project are to: 1) describe the matriculation patterns anddisciplinary choices of engineering students using MIDFIELD and 2) explore the underlyingreasons for patterns found with MIDFIELD through interviews with sophomore engineeringstudents at selected MIDFIELD partners. A third goal has since been added to develop ataxonomy of engineering

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Zahed Siddique, University of Oklahoma; Firas Akasheh, Tuskegee University; Gül E. Okudan Kremer, Pennsylvania State University, University Park

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Division Experimentation & Lab-Oriented Studies

usingTeatoL. Using TeatoL students create videos and instructions, based on their experience andprocess for solving open-ended problems, with the mindset of teaching the process and sharingthe learning experience with others. An overall flow of activities in TeatoL is shown in Figure 1.Students are teachers uploading their approach to solving the problems to the system. The postsare viewed using their computers or mobile devices. The students then critically evaluate andcritique posted approaches, submitted by other students, to improve their open-ended problemsolving technique. The students have the opportunity to use comments from others to criticallyevaluate and modify and improve their approaches. These steps can be recursive focusing on

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Sohum A. Sohoni, Arizona State University, Polytechnic campus; Kerri S. Kearney, Oklahoma State University; Rebecca L. Damron, Oklahoma State University

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Division Experimentation & Lab-Oriented Studies

Page 24.87.2professionals) to understand how computers work. We are also working on creating literature,website materials, and tutorials to facilitate PLP’s adoption by other instructors. This work willhelp in the third line of exploration- research on impact of PLP on student learning.1 IntroductionThe Progressive Learning Platform (PLP)[1-3] is a novel, open, adaptable, multi-course ComputerEngineering curriculum and technology platform developed with the help of funding from NSF’sresearch initiation grant in engineering education (RIGEE) program. It is designed to improvestudent learning by closing gaps between courses in a Computer Engineering curriculum, andshowing students the connections among the concepts and skills they learn in

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Kimberly Warren, University of North Carolina, Charlotte; Chuang Wang, University of North Carolina, Charlotte

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served as an independent program evaluator for four other federally funded research grants: (1) Developing Standards-Based Mathemat- ics Teachers; (2) Behavior and Reading Improvement Center; (3) Translating Inquiry-Based Learning into Environmental Biotechnology Courses at Four Institutions; and (4) Assessment Practices to Sup- port Mathematics Learning and Understanding for Students. Dr. Wang also received six state/regional grants: (1) Expert Witness for Center for Civil Rights Leandro Intervention; (2) High School Challenge: Achievement Gap between At-Risk and Not-At-Risk Students; (3) Elementary School Students’ Self- Efficacy Beliefs and Self-Regulated Learning Strategies in Learning English as a Second Language

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Ning Gong, Department of Electrical and Computer Engineering, Temple University ; Brian P. Butz, Temple University; Li Bai, Temple University; Saroj Biswas, Temple University

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Division Experimentation & Lab-Oriented Studies

, Generator/Motor, Animation, Web Application1. Introduction A laboratory practicum is considered a key component of engineering education; however ahands-on approach is often ignored for courses involving electrical machines because of safetyissues, expense, and lack of qualified teaching assistants. Traditionally, machines used in powerlaboratories run at standard line voltage which makes safety an issue requiring that theselaboratories be closely supervised. The IEEE Power Engineering Education Committee (PEEC)Task Force on Education Resources [1] recently surveyed universities in the United States todetermine the state of power education. Within the 118 schools that participated in the survey,202 laboratory courses (or less than 2 per program

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Chiang Shih, Florida A&M University/Florida State University; William S. Oates, Florida State University

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Division Experimentation & Lab-Oriented Studies

socialactivities. The summer programs were culminated in a whole-day research symposium withindividual and group presentations plus poster sessions.One unique aspect of the program is the integration of the group design experience into thesummer program. Students were assigned in groups to work in design projects relevant to theirassigned research tasks. Group collaboration sessions were reserved for all REU students toshare their experiences and work on group projects. Two open-ended design projects wereimplemented: (1) Use of smart materials to develop multi-modal movement and agility in 2012,and (2) The development of a quad-rotor aircraft with indoor maneuverability in 2013. In thepaper, we will discuss lessons learned in the coordination of the group

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Tom Weller, University of South Florida; Carol M. Haden, Magnolia Consulting, LLC; Jeff Frolik, University of Vermont; Paul G. Flikkema, Northern Arizona University; Aaron T. Ohta, University of Hawaii at Manoa; Sylvia W. Thomas, University of South Florida; Rhonda R. Franklin, University of Minnesota; Wayne A. Shiroma, University of Hawaii at Manoa

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Division Experimentation & Lab-Oriented Studies

ofand diversifying our energy sources, and managing the environment for sustainability; allrequiring new problem-solving skills to create the technological advances that will preserve ourwell-being, ensure our national security and maintain our leadership in the global economy 1. Solutions to 21st-century challenges will involve electronic systems intertwined withstructural, chemical, and biological systems. One example, advances in nano- and nanobio-engineering, will integrate knowledge from information, electrical, physical, cognitive and socialsciences. The solutions are thus inherently multi-disciplinary—involving one or moredisciplines with similar approaches to problem solving—and trans-disciplinary—involving twoor more disciplines

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Joyce B. Main, Purdue University, West Lafayette; Matthew W. Ohland, Purdue University and Central Queensland University; Nichole M. Ramirez, Purdue University; Trina L. Fletcher, Purdue University

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paidfull-time employment and traditional full-time classroom education. Cooperative educationprograms (co-op) are work opportunities for undergraduate students organized in partnershipwith industry based organizations,1 which can also be referred to as Work-Integrated Learning(WIL).2-3 Ordinarily, academic institutions facilitate the application process and connectionbetween students and potential employers. The eligibility requirements are institution-specificand can vary by discipline or at the discretion of the co-op employer; however, many universitiescommonly require a minimum grade point average (GPA) for co-op participation. Since co-opprograms have minimum GPA and other eligibility requirements, it is critical to identify howrequirements

Conference Session

NSF Grantees’ Poster Session

Collection

2014 ASEE Annual Conference & Exposition

Authors

Ravi P. Ramachandran, Rowan University; Kevin D. Dahm, Rowan University; Richard J. Kozick, Bucknell University; Robert M Nickel, Bucknell University; Sachin Shetty, Tennessee State University; Robi Polikar, Rowan University; Ying Tang, Rowan University; Steven H. Chin, Rowan University

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Division Experimentation & Lab-Oriented Studies

anElectrical and Computer Engineering curriculum. A long standing debate is on how to getstudents more interested in circuit theory and simultaneously comprehend and apply thebasic concepts [1][2]. Project-based learning has been shown to increase student interest,basic design skills [3] and comprehension of the concepts in basic engineering andmathematics through vertical integration [4][5]. Vertical integration is the principle ofhaving a project or experiment in a course build upon concepts gained throughexperiments and/or projects performed in a parallel or previous course. Students willrealize that the courses are part of a flow that contributes to a unified knowledge base.This paper describes a project on active circuits that is performed at

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Shane A. Brown P.E., Washington State University

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NSF Grantees Poster Session

relies on developing target models of experts’ understandings of phenomena.Both naïve and expert cognitive models can engage both individual and socially sharedcognitive processes 5, and knowledge of both processes is necessary to characterizeknowledge in a field. Situated cognition experts contend that knowledge only exists in context and hasvery limited meaning and usefulness when taught out of context 1, 6, 7. An educationalneed exists to better integrate engineering students within the context of engineeringpractice and to develop and implement curricular materials that represent this integration.The lack of a target cognitive model and associated situated and research-based curricularmaterials impedes students’ abilities to be

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Lisa Benson, Clemson University; Adam Kirn, Clemson University; Beshoy Morkos, Florida Institute of Technology

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NSF Grantees Poster Session

performance and behavior 1–3, but therelationship between motivation and cognition, particularly in engineering, has not beenexamined in a way that is useful to practitioners. Motivation is a major factor in students’progress towards critical thinking and solving problems 1,2, skills that are commonly identified asimportant in preparing students for the ever-changing global challenges they will face aspracticing engineers. Understanding relationships between motivation and problem solving couldhelp engineering educators address challenges including increasing interest in engineering, andpreparing students to become effective problem solvers.The purpose of this study is to answer the following research questions: • RQ1: What factors contribute to

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Jeremiah J. Neubert, University of North Dakota; Deborah Worley, University of North Dakota; Naima Kaabouch, University of North Dakota; Mohammad Khavanin, University of North Dakota

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NSF Grantees Poster Session

Page 23.276.3Electronics Engineers (IEEE) and the American Society of Mechanical Engineers (ASME). It isessential that mentors have an understanding of each of these areas including: calculus concepts,student learning, campus resources, and engineering student groups. Saturn V Rocket Acceleration (a) (b) Fig. 1: (a) The Saturn V rocket—the only vehicle ever constructed capable of putting a man on the moon. In over 40 years man has failed to repeat this task. (b) A plot of the altitude of Apollo 11 as it ascends into orbit.The Saturn V rocket, shown in Fig. 1(a), was used to put men on the moon and launch Skylab. Now with the

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Shawn H Maison, Central Michigan University and Bangor Township Schools; Adam J. P. Bauer, CMU; Steven Shapardanis, Central Michigan University; Thomas Stuart White; Ze Zhang; Bingbing Li, Department of Chemistry, Science of Advanced Materials Doctoral Program, Central Michigan University ; Qin Hu, Central Michigan University; Tolga Kaya, Central Michigan University

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23.277.2will provide detailed project description and resulting classroom activities that were developed asa result of the RET project.IntroductionOsteoblasts of a mammalian organism (mouse) are used in this experiment. The cell line ofosteoblasts are roughly 15-30 µm. in diameter and, if not scaffolding, are generally spherical inshape. This allows for a symmetrical shape to observe rotation accurately in an E-Field insolution. These cells are cultured, and then subcultured, with an optimal 1-2 day incubationbetween cultures. This insures scaffolding does not take place (If scaffolding begins cells are nolonger spherical/symmetrical for measuring rotation). Cell population must also be kept to aminimum to insure cells do not clump together and form

Conference Session

NSF Grantees' Poster Session

Collection

2013 ASEE Annual Conference & Exposition

Authors

Richard M. Bennett, University of Tennessee, Knoxville; William Schleter, University of Tennessee, Knoxville; Taimi Olsen, Tennessee Teaching and Learning Center; Stan Guffey, University of Tennessee Teaching and Learning Center; Wenshu Li

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are shown in Figure 1. The remaining 20% of the homework grade is based on portfoliochecks. The intent of the EF 151 portfolio is to help students organize all of their materials forthe class, and to encourage students to document all of their work in a clear and methodicalmanner. To this end all students are required to maintain a portfolio of all work in a 3-ringbinder. Students are graded based on their overall portfolio, as well as on the format and clarityof individual random written homework problems.Recently a bonus system (Schilling, 2010) was implemented in the homework system, wherebystudents receive a 10% bonus homework problems completed at 24 hours or more in advance ofthe due date. This bonus has resulted in over half of the