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Displaying results 511 - 540 of 948 in total
Conference Session
Using Web-Resources and Literature to Teach Engineering in P-8
Collection
2011 ASEE Annual Conference & Exposition
Authors
Lucy McAuliffe, Smith College; Glenn W. Ellis, Smith College; Sonia Katrin Ellis, Smith College; Isabel Huff, Smith College; Beth McGinnis-Cavanaugh, Springfield Technical Community College
Tagged Divisions
K-12 & Pre-College Engineering
women before, during and after an undergraduateengineering education. Goodman et al.1 found that half of the women who left engineering leftbecause of lack of interest in the field. Smith, Sheppard, Johnson and Johnson2 highlight theneed for increasing engagement in engineering education. They note that engagement affects astudent’s capacity to learn and to learn deeply, and may positively affect retention rates.Students who withdraw from engineering education often do so because they have becomedisengaged with the undergraduate engineering curriculum.3 Increasingly, engineering is being integrated into pre-college education. Learners in theearly stages of their education are often fascinated with the hands-on, experimental aspect
Conference Session
Professional Graduate Education and Industry
Collection
2011 ASEE Annual Conference & Exposition
Authors
Ronald J. Bennett, Univeristy of Saint Thomas; Elaine R. Millam, University of Saint Thomas
Tagged Divisions
College Industry Partnerships, Graduate Studies
takes in information and learns from it)Through interactive explorations (individual and small groups), they shaped a collectivedefinition of leadership, received interpretative guidance on four of the assessment instruments,assessing strengths, talents, values and learning styles. All of this was integrated with leadershipand learning theory to shape an individualized plan of action. The plan flowed naturally fromtheir uniquely articulated vision for the kind of leader the student had chosen as their ideal. This Page 22.459.7expressed vision and accompanying roadmap was articulated in a final writing assignment aswell as a presentation
Conference Session
Curricular Developments in Energy Education I
Collection
2011 ASEE Annual Conference & Exposition
Authors
Robert W. Fletcher, Lawrence Technological University
Tagged Divisions
Energy Conversion and Conservation
seven year review and assessment of Lawrence Technological University’s Alternative Energy Engineering Program initially funded through grants from the State of MichiganAbstractLawrence Technological University applied for and received two funding grants from the Stateof Michigan in 2003 and 2004 to develop curriculum and to establish courses in the field ofAlternative Energy Engineering. Lawrence Tech in 2003 was one of five schools in Michigan toreceive these initial funds. This paper reviews the decision making process originally used toestablish the curriculum, the engineering courses developed through these grants, theestablishment of an Alternative Energy Engineering laboratory, and the subsequent evolution ofthe
Conference Session
International Experience, Effective Instruction, and Student Exchange Programs
Collection
2011 ASEE Annual Conference & Exposition
Authors
Fanyu F. Zeng, Indiana Wesleyan University
Tagged Divisions
International
assessment of knowledge, which is a foundation to improve student’s ability incritical thinking and problem solving.To make a successful objective also requires a special focus on the component - intendedaudience or students in an objective: action verb conditions standard intended audience or students.This solution is to include students as a part of objective and to integrate students into objectivesin their learning process. This solution helps make strong connections between objectives andevaluation and measurement of student learning outcomes. The same solution integrates a set ofconcept mapping techniques below to create milestones for measurement and check-upevaluation procedure at each milestone in student learning
Conference Session
Liberal Education Revisited: Five Historical Perspectives
Collection
2011 ASEE Annual Conference & Exposition
Authors
John Heywood, Trinity College, Dublin
Tagged Divisions
Liberal Education/Engineering & Society
1961 a White Paper was to recommend increases in the time allowedfor English and General Studies [7] and with this and a pamphlet of the same name camea change of emphasis toward general education in these courses. However, althoughcontroversial, the terms liberal education and liberal studies continued to be applied tothat component of the curriculum in dip.tech courses. Although the circularrecommended a time allocation of between 15 and 20%, The NCTA had already Page 22.776.4stipulated an allocation of between 10 and 11% or roughly 3 hours of student contact timeper week, and according to Davies it remained at this level throughout the period of
Conference Session
Structural Education Applications in Architectural Engineering
Collection
2011 ASEE Annual Conference & Exposition
Authors
Orla Smyth LoPiccolo, State University of New York, Farmingdale State College
Tagged Divisions
Architectural
depict how buildings are draftedand assembled. Physical model building is not part of the current curriculum for either of thesetwo courses. This study provides quantitative results from a spatial reasoning ability test andqualitative results from student surveys given to four separate sections of freshmen – Graphics Itest and control groups and Materials and Methods of Construction I test and control groups in2010. The Materials and Methods of Construction I test group had built an advanced framingmodel (an energy-saving framing system) and the Graphics I test group had built a 3‖ cubemodel of solids and voids as part of their courses prior to the spatial test and survey. The controlgroup in each course prepared an axonometric drawing instead
Conference Session
Engineering Ethics Issues Part One
Collection
2011 ASEE Annual Conference & Exposition
Authors
Craig Titus, Purdue University; Carla B. Zoltowski, Purdue University, West Lafayette; Margaret Huyck, Illinois Institute of Technology; William C. Oakes, Purdue University, West Lafayette; Jill L. May, Illinois Institute of Technology
Tagged Divisions
Engineering Ethics
., & Oakes, W. C. (2006). Integrating Engineering Education and Community Service: Themes for the Future of Engineering Education. Journal of Engineering Education, 7-11.12. Titus, C.P., & Zoltowski, C.B. (2010) “Integrating Ethics Curriculum Within a Service-Learning Design Context”. Proceedings of the 2010 ASEE Annual Conference, June 2010.13. Shuman, L. J., Besterfield-Sacre, M., & McGourty, J. (2005). The ABET professional skills. Journal of Engineering Education, 94(1), 41-55.14. Gilligan, C. (1982). In a different voice: Psychological theory and women's development. Harvard UP.15. Heron, W. T. (2007). An examination of the moral development and ethical decision-making of information technology
Conference Session
Digital Technologies and Learning
Collection
2011 ASEE Annual Conference & Exposition
Authors
Catherine T. Amelink, Virginia Tech; Shreya Kothaneth, Virginia Tech; Glenda R. Scales, Virginia Tech
Tagged Divisions
Educational Research and Methods
where she led a university team to successfully launch their first virtual campus. She began her career working as a computer analyst for the Department of Defense. Dr. Scales presents regularly to the American Society of Engineering Education and serves on Ph.D. graduate committees. She is an affiliate faculty member with the Department of Engineering Education and publishes in the area of instructional technology and distance learning. She holds a Ph.D. in Curriculum and Instruction with a concentration in Instructional Technology from Virginia Tech, a M.S. in Applied Behavioral Science from Johns Hopkins and a B.S. in Computer Science from Old Dominion University
Conference Session
FPD 3: Research on First-year Programs and Students, Part I
Collection
2011 ASEE Annual Conference & Exposition
Authors
Malinda S. Zarske, University of Colorado, Boulder; Derek T. Reamon, University of Colorado, Boulder; Daniel Knight, University of Colorado, Boulder
Tagged Divisions
First-Year Programs
. Reamon’s research interests encompass the foundations of educational theory, the practical issues involved in curricular improvement, and the assessment techniques required to measure the effectiveness of new methods.Dr. Daniel Knight, University of Colorado, Boulder DANIEL W. KNIGHT is the engineering assessment specialist at the Integrated Teaching and Learning Program (ITLL) and the Broadening Opportunity through Leadership and Diversity (BOLD) Center in CU’s College of Engineering and Applied Science. He holds a B.A. in psychology from the Louisiana State University, and an M.S. degree in industrial/organizational psychology and a Ph.D. degree in coun- seling psychology, both from the University of Tennessee. Dr
Conference Session
Curricular Developments in Energy Education I
Collection
2011 ASEE Annual Conference & Exposition
Authors
Hayrettin B. Karayaka, Texas A&M University, Corpus Christi; Mehrube Mehrubeoglu, Texas A&M University, Corpus Christi; Faruk Yildiz, Sam Houston State University; Korinne Caruso, Texas A&M University, Corpus Christi
Tagged Divisions
Energy Conversion and Conservation
School Teachers in a Hispanic Serving InstitutionAbstractIn recent years, Texas A&M University Corpus Christi entered into a partnership with theNuclear Power Institute or NPI to attract students into careers in nuclear power and science. Thepartnership naturally involved both student recruitment and curriculum development efforts. As apart of this recruitment effort, a summer workshop was designed and implemented to train,prepare for research, and educate local area high school teachers for the careers in engineering,engineering technology and the nuclear power industry. First, an outreach effort to local areapublic, private high and junior high schools was organized to advertise and promote theworkshop. After a considerable
Conference Session
Descriptions of Outreach Programs
Collection
2011 ASEE Annual Conference & Exposition
Authors
Rayshun J. Dorsey, WizKidz Science and Technology Centers, Inc.; Ayanna M. Howard, Georgia Institute of Technology
Tagged Divisions
K-12 & Pre-College Engineering
AC 2011-273: MEASURING THE EFFECTIVENESS OF ROBOTICS AC-TIVITIES IN UNDERSERVED K-12 COMMUNITIES OUTSIDE THE CLASS-ROOMRayshun J Dorsey, WizKidz Science and Technology Centers, Inc. Rayshun Dorsey is currently the Founder and President of WizKidz Science and Technology Centers, an organization that works in conjunction with the Georgia Institute of Technology and currently offers an extensive in-formal education collaboration through various outreach projects to include AroPability, a federally funded initiative in conjunction with California Institute of Technology, Center for the Vi- sually Impaired, National Federation of the Blind and Children’s Healthcare of Atlanta at Scottish Rite that seeks to stimulate STEM
Collection
2011 Northeast Section Meeting
Authors
Jerald D. Cole
Google Calendar.ArchitectureThe OpenTok™ API compendium consists of(1) A client-side JavaScript library that integrates audio/video streams in the context of a webpage. (An ActionScript 3 (AS3) implementation is also available.)(2) A server-side library, available in Java, PHP, Python, and Ruby, that provides daemons for session authentication, token generation, and management.Jerald D. Cole • jcole@bridgeport.edu • (203) 982-0677 3The interplay of these components is given in Figure 5. OpenTok™ uses locally installed Flash video components thatinterface with webcams, microphones, and audio-out channels (such as speakers or headphones) resident on theclient’s
Conference Session
Why Industry Says that our Engineering Students Cannot Write
Collection
2011 ASEE Annual Conference & Exposition
Authors
Scott Duncan, Valparaiso University; Mark M. Budnik, Valparaiso University; Jeffrey Will, Valparaiso University; Peter E. Johnson, Valparaiso University; Shahin S. Nudehi, Valparaiso University
Tagged Divisions
Liberal Education/Engineering & Society, Mechanical Engineering
asCriterion 3 identifies that students attain "an ability to communicate effectively" as a requiredprogram outcome3. Additionally, the importance of communication skills to the practicingengineer is predicted to remain important in the future. The National Academy of Engineering2004 report, "The engineer of 2020: visions of engineering in the new century"4, whendescribing the attributes of engineers in 2020 states that, "As always, good engineering willrequire good communication."Because technical communication skills are so vital to engineers, many studies have beencompleted to investigate the effectiveness of technical communication pedagogical methodsimplemented in engineering curriculums. These studies generally focus on two areas oftechnical
Conference Session
New Developments in Teaching Electromagnetics and Related Topics
Collection
2011 ASEE Annual Conference & Exposition
Authors
Robert H. Caverly, Villanova University
Tagged Divisions
Electrical and Computer
get an understanding of the material.This ‘return to hardware basics’ approach has been heavily utilized at Villanova University overthe last few years with a number of courses and independent student projects that illustrate thesereceive and transmit principles. This paper will build on a series of past papers in outlining thesenior level elective sequence as well as a series of high efficiency power amplifier projectsundertaken as independent studies. All of these experiences are suitable for undergraduatestudents and with some modification, could be useful in graduate level courses.Undergraduate Curriculum TrackDetails on the undergraduate track have been covered in detail in a previous work5 but will besummarized here for completeness
Collection
2011 Northeast Section Meeting
Authors
Buket D. Barkana; Nelson Ngoh; Allen Cook
The Learning and Teaching Experiences in a Graduate Level Stem Course for Teacher Educators Faculty Paper K-12 Education (Curriculum Integration) Buket D. Barkana1, Nelson Ngoh2, Allen Cook2 1 School of Engineering, Department of Electrical Engineering 2 School of Education University of Bridgeport, Bridgeport, CT 06604 E-mail: {bbarkana; ngoh; acook@bridgeport.edu}Abstract: It is essential that teachers understand the
Collection
2011 Fall ASEE Middle Atlantic Section Conference
Authors
Dennis J. Fallon
engineering leaders of the future—the question become how are we going to adapt our curriculums to do this???Bibliography • Some Books on changes – Holistic Engineering Education by Grasso and Burkins – Educating the Engineer of 2020 by National Academy of Engineering – Vision for Civil Engineering in 2025 by ASCE – Leadership Can Be Taught by Parks – Liberal Education in Twenty First Century By Ollis – Body of Knowledge for the 21st Century by ASCE – Changing Practices in Evaluating Teaching by Seldin – Building a Scholarship of Assessment by Banta – How Student Learn—History, Mathematics and Science by National Research Council – How People Learn
Collection
2011 ASEE Annual Conference & Exposition
Authors
Kathleen Alfano, College of the Canyons
Tagged Divisions
Aerospace
continues to be a faculty member at College of the Canyons. She has over twenty-five years of successful faculty leadership, administration of technical departments, and leadership of State and Federal curriculum projects, especially in the areas of technical education. Dr. Alfano has a B.S. in Chemistry, M.S. in Education, and a Ph.D. from UCLA in Higher Education and Adult Development. Page 22.1108.1 c American Society for Engineering Education, 2011 The California Regional Consortium for Engineering Advances in Technological Education NSF ATE
Conference Session
NSF Grantees Poster Session
Collection
2011 ASEE Annual Conference & Exposition
Authors
Jason Yao, East Carolina University; Loren Limberis, East Carolina University; Steve Warren, Kansas State University
Tagged Topics
NSF Grantees
learning and integration of research into undergraduate education. Dr. Yao is a member of the American Society of Engineering Education (ASEE) and a senior member of Institute of Electrical and Electronics Engineers (IEEE).Loren Limberis, East Carolina University Dr. Limberis joined the Engineering faculty at ECU in August 2006. He earned his B.S. in electrical engineering and Ph.D. in bioengineering from the University of Utah. Dr. Limberis taught for several years as an Assistant Professor at The College of New Jersey and was a research analyst with Southwest Research Institute prior to his academic career. His research interests focus on designing techniques to utilize nature’s highly complex and sophisticated
Conference Session
Green Renewable Energy and Engineering Technology
Collection
2011 ASEE Annual Conference & Exposition
Authors
Chao Li, Florida A&M University/Florida State University; Antonio J. Soares, Florida A&M University
Tagged Divisions
Engineering Technology
Doctor of Philosophy degree at the Florida Agricultural and Mechanical University in January 2004 under the supervision of Dr. Reginald Perry. Upon completion of his PhD, Dr. Soares was immediately hired as an assistant professor (Tenure Track) in the Electronic Engineering Technology department at FAMU. Dr. Soares has made many contributions to the department, from curriculum improvements, to ABET accreditation, and more recently by securing a grant with the department of education for more than half a million dollars. Page 22.479.1 c American Society for Engineering Education, 2011
Conference Session
Pay It Forward: Critical Thinking, Reflection and Faculty Engagement Promote Success in Engineering
Collection
2011 ASEE Annual Conference & Exposition
Authors
Caroline R. Noyes, Georgia Institute of Technology; Jonathan Gordon, Georgia Institute of Technology; Joe Ludlum, Georgia Institute of Technology
Tagged Divisions
Cooperative & Experiential Education
Technology Page 22.1428.2 The Academic Effects of Cooperative Education Experiences: Does Co-op Make a Difference in Engineering Coursework?IntroductionCooperative education opportunities have been a staple of engineering training for over 100years. An idea conceived at Lehigh University and first implemented at the University ofCincinnati, in the early 21st century over 150 engineering and engineering technology programsincorporate cooperative education opportunities into their curriculum. Cooperative education isa unique form of experiential education, and is traditionally delivered through either analternating model, whereby student alternate work experience and academic
Conference Session
Tricks of the Trade in Teaching I
Collection
2011 ASEE Annual Conference & Exposition
Authors
Robert M. Brooks, Temple University; Jyothsna K. S., St.Joseph's College, Bangalore, Department of English; Amithraj Amavasai
Tagged Divisions
New Engineering Educators
AC 2011-135: DEVELOPMENT OF BEST PRACTICES FOR NEW ENGI-NEERING AND MATH EDUCATORSRobert M. Brooks, Temple University Dr. Robert M. Brooks is an associate professor in the department of Civil and Environmental Engineering, Temple University. He is a registered professional engineer in PA and a fellow of the American Society of Civil Engineers. His research interests are Civil Engineering Materials, Transportation Engineering, and Engineering Education.Jyothsna K S, Department of English, St.Joseph’s College, Bangalore Secured a gold Medal for the highest aggregate marks in the Post Graduate English Literature Course at St.Joseph’s College (Autonomous). Working for the Department of English, St.Joseph’s College for
Collection
2011 Northeast Section Meeting
Authors
Craig Stringer
traditional age and adult students approached and executed thetoy analysis project.IntroductionOver the past decade, engineering colleges and the National Science Foundation have placedgreater emphasis on integrating engineering design into the curriculum, emphasizing hands-onprojects, teamwork and greater student to student collaborations. The introduction toengineering course taught at The Pennsylvania State University for first year level engineeringstudents focuses on these areas of emphasis along with the goals of student recruitment,retention, and engineering development throughout the four-year curriculum [1]. Through thiscourse, students are exposed to a lecture/laboratory setting in which many of the lecture topicsare used as tools to solve
Conference Session
Attracting and Retaining Students in Civil Engineering
Collection
2011 ASEE Annual Conference & Exposition
Authors
Sameer Hamoush P.E., North Carolina A&T State University; Ellie H. Fini, North Carolina A&T State University; Mahour Mellat Parast, University of North Carolina, Pembroke; Sanjiv Sarin, North Carolina A&T State University
Tagged Divisions
Civil Engineering
Professional Engineer in North Carolina. Page 22.1448.1 c American Society for Engineering Education, 2011 The Effect of Project-Based Learning (PBL) on Improving Student Learning Outcomes in Transportation EngineeringABSTRACT This paper discusses the results of an ongoing study on the effect of project-basedlearning (PBL) on students’ learning outcomes in Transportation Engineering, a required juniorlevel course in the Civil Engineering curriculum. The course was taught in 2008, 2009, and2010 by the same instructor. The course was transformed from a lecture-based course to aproject
Conference Session
Expanding the Borders of Engineering Education
Collection
2011 ASEE Annual Conference & Exposition
Authors
Sandra Ingram, University of Manitoba; Anita H. Ens, University of Manitoba; Marcia R. Friesen, University of Manitoba
Tagged Divisions
Cooperative & Experiential Education
AC 2011-563: ACADEMIC PREPARATION IN A CO-OP PROGRAM AS ACAREER ENHANCEMENT TOOL FOR INTERNATIONAL ENGINEER-ING GRADUATESSandra Ingram, University of Manitoba Sandra Ingram, Ph.D., is an associate professor in Design Engineering and adjunct professor in Biosys- tems Engineering at the University of Manitoba in Winnipeg, Canada. Dr. Ingram is responsible for teaching an integrated approach to technical communication in Biosystems Engineering and Electrical and Computer Engineering. Her research interests include mentorship and networking within engineer- ing, integrated approaches to technical communication and post-graduate training of engineers, . Address: E2-262 Engineering and Technology Complex, University of
Conference Session
Graduate Education and Undergraduate Research in ET
Collection
2011 ASEE Annual Conference & Exposition
Authors
Wei Zhan P.E., Texas A&M University
Tagged Divisions
Engineering Technology
hired faculty members are all required to have a PhD degreein engineering. Publication and external funding are also important factors when tenure andpromotion are considered. Since the ET programs at Texas A&M University only offer BSdegrees, many faculty members hire graduate students from other departments within the collegeof engineering to help them conduct research work. An increasing number of faculty membersare experimenting with research by undergraduates. There are unique issues related to REU forET students.In addition to the benefits for both students and faculty members, REU can also be used toimprove curriculum. EET faculty members always try to use research results in lectures and labsas real-world examples29-31. Research
Conference Session
Ethical Perspectives on the Grand Challenges of Engineering
Collection
2011 ASEE Annual Conference & Exposition
Authors
Dean Nieusma, Rensselaer Polytechnic Institute; Xiaofeng Tang, Rensselaer Polytechnic Institute
Tagged Divisions
Liberal Education/Engineering & Society
to students that the material is directly relevant toengineering practice.The approach of integrating social and technical dimensions of engineering into a single courseis evident in many design initiatives, and we believe design offers a unique opportunity forscaling up efforts to bridge social and technical facets of engineering in the context of anengineering course. Teaching engineering students to solve real-world problems via designprojects may improve students’ awareness of an array of contextual factors, including user needs,social and environmental costs, and other concerns affecting the scope and nature of engineeringwork. 48 Interdisciplinary design projects also provide opportunities for developing enhancedcollaboration skills
Conference Session
Assessing, Developing, and Enhancing the Engineering Experiential Education Experience
Collection
2011 ASEE Annual Conference & Exposition
Authors
Ralph Ocon, Purdue University, Calumet; Shoji Nakayama, Purdue University, Calumet; Opal McFarlane, Purdue University, Calumet
Tagged Divisions
Cooperative & Experiential Education
AC 2011-933: CREATIVITY AND WORKPLACE SAFETY: PROACTIVESAFETY PRACTICES ARE VITAL IN PREVENTING EMPLOYEE IN-JURIESRalph Ocon, Purdue University CalumetShoji Nakayama, Purdue University, Calumet (Tech) Shoji Nakayama, Ph.D., is an Assistant Professor of Organizational Leadership and Supervision in the Department of Construction Science and Organizational Leadership at Purdue University Calumet. In this position, he teaches safety and health related courses, as well as improving Safety, Health, and En- vironmental Management curriculum through Academic Advisory Committees. Professor Nakayama has safety related experience in automotive, airline, regulatory agency and printing industries. He recently worked as an
Conference Session
Curricular Innovations in College-Industry Partnerships
Collection
2011 ASEE Annual Conference & Exposition
Authors
Josh Tenenberg, University of Washington, Tacoma
Tagged Divisions
College Industry Partnerships
, their professional demands prevent them from being able to devotetime to ―moonlight‖ as university instructors. Even for those who do, their effectiveness islimited by their lack of teaching knowledge and their isolation from the rest of the faculty. Andthird, simply introducing students to professional practices does not alleviate the challengeassociated with relating and integrating these practices with students‘ academic knowledge. Butsuch integration is necessary if they are to fully benefit from their educations over theirprofessional careers.This paper describes the Industry Fellows model32, a novel attempt at addressing theseinterrelated challenges in an integrated manner. Industry Fellows involves a university facultymember and a
Conference Session
Recruiting, Retention, and Diversity in Engineering Technology
Collection
2011 ASEE Annual Conference & Exposition
Authors
Donald C. Richter, Eastern Washington University; William R. Loendorf, Eastern Washington University; Romel W. Mackelprang, Eastern Washington University
Tagged Divisions
Engineering Technology
by Melber &Brown11 (2008) such as providing alternative assessment strategies, integrating objects andspecimens, and preparing for accessibility. This will enhance their ability to provide a supportiveeducational atmosphere for students with disabilities, as well as other students.The university will provide its Access For All curriculum, in an online format, to all communitypartners. The university will also share its peer mentoring curriculum and program and otherresources relative to UED.Students with disabilities in their last year of study at other IHEs will also be recruited toparticipate in the University DVR School to Work Transition program and external partneractivities are ancillary to this project and will assist in forging
Conference Session
FPD X: First-Year Design with Projects, Modeling, and Simulation
Collection
2011 ASEE Annual Conference & Exposition
Authors
Naomi C. Chesler, University of Wisconsin, Madison; Cynthia M. D'Angelo, University of Wisconsin, Madison; Golnaz Arastoopour, University of Wisconsin, Madison; David Williamson Shaffer, University of Wisconsin, Madison
Tagged Divisions
First-Year Programs
recently, using simulations and games to help facilitate learning. Among other things, she is interested in how students make use of multimedia representations of scientific concepts in games. She is currently the research director for the Epistemic Games Group at the University of Wisconsin - Madison.Golnaz Arastoopour, University of Wisconsin-Madison Golnaz is a graduate student at the University of Wisconsin-Madison. Before becoming interested in education, she studied Mechanical Engineering and Spanish. Golnaz has also worked as a computer sci- ence instructor, high school mathematics teacher, and STEM curriculum designer. Her research interests are how technology can be used as an effective and engaging teaching