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Displaying results 23251 - 23280 of 36275 in total
Conference Session
NSF Grantees Poster Session
Collection
2007 Annual Conference & Exposition
Authors
Zhengtao Deng, Alabama A&M University; Cathy Qian, Alabama A&M University; Ruben Rojas-Oviedo, Alabama A&M University
deliverables and presentationbased on criteria listed in Table 5. Table 5. Project Evaluation Form Project Presentation Evaluation Form Faculty Student ME Class: ______________________________ Class Presenter(s): ______________________________ Team Member(s): ______________________________ Project: ______________________________ Presented Date: ______________________________ Rating: Poor (1); Fair
Conference Session
Laboratory and Internship Innovations in IT/IS
Collection
2007 Annual Conference & Exposition
Authors
Michael Bailey, Brigham Young University; Michael Moore, Brigham Young University; Joseph Ekstrom, Brigham Young University
Tagged Divisions
Information Systems
web testing and development, as was shown in Figure 1, or anexternal client can be used to probe both the Windows and Linux web servers, as was also shownin the figure.In addition to functionality, the speed of the portable hard drive was also tested. USB 2.0 isn't asfast as an internal hard drive connection such as ATA, and this interface is the most obviousbottleneck in an externally booted system. USB 2.0 is rated at 60 MB/s, while the Serial ATAdrives common in new desktop computers can reach at least 150 MB/s, depending on whichversion of SATA is being used. While it seems that this speed difference should severely affectsystem performance, the only time that testers noted a difference was during boot time, probablydue to caching. To
Conference Session
Curriculum Implementation of Materials Advances
Collection
2007 Annual Conference & Exposition
Authors
Ajit Kelkar, North Carolina A&T State University; Ronnie Bolick, North Carolina A&T State University; Ram Mohan, North Carolina A&T State University; Oladapo Akinyede, North Carolina A&T State University
Tagged Divisions
Materials
. For the non-functionalized alumina, the procedure involves the ultrasonic agitation of composition(s) (%wtof resin weight) of alumina in EPON™ resin. A 500W sonicator with a 20Khz frequency is usedto disperse alumina in the low viscosity resin. Sonication is carried out at 40% maximumamplitude with a unit mass rate of 3-5 mins. / gm of alumina. High amplitude and elongatedsonication can cause localized elevation of temperature in resin. This rate is also higher thanalumina dispersion in water and methanol mixture due to the higher viscosity of the resin system.It is also important to note that mechanical stirring is also carried out during sonicationprocedure to circulate the mixture and to avoid intercalated dispersion. For
Conference Session
Innovations in Mechanical Engineering Experiments and Labs
Collection
2007 Annual Conference & Exposition
Authors
Nebojsa Jaksic, Colorado State University-Pueblo; Dawn Spencer, Colorado State University-Pueblo
Tagged Divisions
Division Experimentation & Lab-Oriented Studies
., “Retention 101: Where Robots Go … Students Follow,” Journal of Engineering Education, vol. 92, No. 1, January 2003, pp.85-90.2. http://www.darpa.mil/grandchallenge/index.asp, accessed 16 January 2007.3. McCarthy, B., The 4MAT System: Teaching to Learning Styles With Right/Left Mode Techniques: EXCEL, Inc., 1987.4. Kolb, D. A., Experiential Learning: Experience as the Source of Learning and Development, Prentice Hall, 1984.5. Harb, J. N., Durant, S. O., and Terry, R. E., “Use of the Kolb learning cycle and the 4MAT system in engineering education,” Journal of Engineering Education, vol. 82, No. 2, April 1993, pp. 70-77.6. Hotaling, L., Sheryll, R., and Stolking, R., “Discovery based learning in the engineering
Conference Session
International Engineering Education I - Poster Session
Collection
2007 Annual Conference & Exposition
Authors
Janak Dave, University of Cincinnati; Janet Dong, University of Cincinnati
Tagged Divisions
International
and suitable vehicles for developing countries.The goal is to assemble these vehicles in small factories in developing countries. IAT hasdonated several vehicles to Honduras and in Africa.2005-2006 BUV challenge given by IAT was to design a 3-wheel vehicle based on the rear-end(i.e. the bed, axle, suspension, wheels, frame, etc) of a small pick-up truck (Chevy S-10, FordRanger, etc) cut near the cab/bed interface. It was also required to design a rear ambulance unitto be attached to the rolling chassis. In addition to cost, design emphasis was on drive train, easeof assembly, durability, serviceability, and the ambulance unit itself. Design for small-scaleassembly operations in the developing worlds that can each produce one vehicle per day
Conference Session
Computer-Assisted Lab Studies
Collection
2007 Annual Conference & Exposition
Authors
Michael Parten, Texas Tech University; Timothy Maxwell, Texas Tech University
Tagged Divisions
Division Experimentation & Lab-Oriented Studies
duration) and fuel mixture (air-to-fuel ratio).The TTU vehicle uses a MotoTron ECU555-80 electronic control unit. The ECUcommunicates with the VCS using the CAN bus.Communications between most subsystems in the vehicle is over a CAN (controller areanetwork) bus. This communication is at two separate frequencies, 250Kb/s for the fuelcell, and 500Kb/s for the rest of the vehicle. A National Instruments PXI system is usedto monitor and adjust the various components of the communications system. A blockdiagram of the overall system is shown in Figure 2. Page 12.1079.5 4
Conference Session
ECE Poster Session
Collection
2007 Annual Conference & Exposition
Authors
Doug Sterk, Virginia Tech; Tim Thacker, Virginia Tech; Elizabeth Tranter, Virginia Tech; Richard Goff, Virginia Tech; Janis Terpenny, Virginia Tech
Tagged Divisions
Electrical and Computer
unique in their integration intothe Center’s diversity strategic plan, which specifies the goals, commitments, and results for eachpartner campus in the areas of student recruitment and undergraduate program development.Through the CPES Education Program, REU and LSAMP REU participants have theopportunity to apply for short-term travel scholarships, which enable their continuedparticipation in Center-related research during the academic year. This has proved an effectivemechanism for continued engagement of undergraduates in Center programs, and occasionally,for integration of summer research into the student’s undergraduate capstone design project(s).The Center’s consortium format also allows participants from partner universities to establish
Conference Session
Assessment Methods
Collection
2007 Annual Conference & Exposition
Authors
Zbigniew Prusak, Central Connecticut State University
Tagged Divisions
Engineering Technology
and forensic studiesproved to be the most universal activities, developing a wide range of professional skills.After the initial analysis, for the purpose of feasibility of the assessment process, this largenumber of skills was reduced to a manageable number and grouped into ten learning outcomes.The ten outcomes became the subject of the formally accepted assessment process forEngineering Technology programs at CCSU.IntroductionQuality Function Deployment (QFD) technique parallels engineering procedures used forestablishing and examining product and process specifications and performances 1, 2 . Developedin 1970’s in Japan and used in Kobe Shipyard of Mitsubishi Heavy Industries, QFDmethodology stemmed from quality improvement tables and was
Conference Session
Computed Simulation and Animation
Collection
2007 Annual Conference & Exposition
Authors
Tarek El Doker, Embry-Riddle Aeronautical University; David Lanning, Embry-Riddle Aeronautical University; Justin Gigliotti, Embry-Riddle Aeronautical University
Tagged Divisions
Computers in Education
classroom environment, which allows for learning of concepts not easilygrasped in a traditional lecture setting.AcknowledgementsThe authors would like to acknowledge the support of the Arizona Space Grant for the fundingof student work on the project.Bibliography1. Gere, J. and Timoshenko, S. Mechanics of Materials, Second Edition. Boston, MA: PWS Publishers, 1984.2. Gere, J. Mechanics of Materials, Sixth Edition. Belmont, CA: Thomson, 2004.3. Mosterman, P.J., Dorlandt, M., Campbell, J.O., Burow, C., Bouw, R., Brodersen, A.J., and Bourne, J.R. “VirtualEngineering Laboratories: Design and Experiments,” Journal of Engineering Education, July 1994, pp. 279-285.4. Feisel, L.D. and Rosa, A.J. “The Role of the Laboratory in Undergraduate Engineering
Conference Session
Emerging Trends in Engineering Education Poster Session
Collection
2007 Annual Conference & Exposition
Authors
Ronan Dunbar, University of Limerick; Seamus Gordon, University of Limerick; Niall Seery, University of Limerick
ensure that we as third level educators are not missing the broader picture of the type ofworld our graduates will we partaking in, it still must be a consideration. Pink in ‘A WholeNew Mind’ 1 comments on how the information age has been dominant in creating a strongeconomic and technological global society. However this is no longer going to remain thedominant age as according to Pink, this type of society can be easily maintained. In a recentnewspaper article the author commented on how 25% of Irelands I.T. jobs are being filled byimmigrants. This is a stark contrast to the 1990’s when I.T. jobs were extremely sought afterand college graduates competed to fill these jobs, certainly excluding immigrants from theequation. The required knowledge
Conference Session
International Engineering Education II
Collection
2007 Annual Conference & Exposition
Authors
Sarah Freeman, Tufts University; Jonathan Crocker, Tufts University; Chris Swan, Tufts University
Tagged Divisions
International
provided to engineering education.AcknowledgementsThe authors would like to thank the Tufts University and the many centers and departments fortheir past and continuing support in helping establish these projects. This includes: Jonathan M. Tisch College of Citizenship and Public Service Tufts Institute for Global Leadership School of Engineering School of Arts and Sciences Frederic BergerBibliography1. Engineering Accreditation Commission, Accreditation Board for Engineering and Technology, Criteria for Accrediting Engineering Programs Effective for Evaluations During the 2005-2006 Accreditation Cycle, November 2004.2. Matson, D., Freeman, S., Sharpe, G., Swan, C., "International Citizenship and Global
Conference Session
New Trends in Energy Curriculum
Collection
2007 Annual Conference & Exposition
Authors
Faruk Yildiz, University of Northern Iowa; Recayi 'Reg' Pecen; Jin Zhu, University of Northern Iowa; Liping Guo
Tagged Divisions
Energy Conversion and Conservation
10mA 3.3 VoltsReferences[1] J. M.Rabaey, M. J. Ammer, J. L. da Silva Jr., D. Patel, and S. Roundy, “Picoradio supports ad hoc ultra-lowpower wireless networking”, IEEE Computer, pp. 42–48, July 2000.[2] Roundy, S., Steingart, D., Fréchette, L., Wright, P. K., Rabaey, J., “Power Sources for Wireless Networks”, Proc.1st European Workshop on Wireless Sensor Networks (EWSN '04), Berlin, Germany, Jan.19-21, 2004.[3 Stordeur, M., Stark, I., “Low Power Thermoelectric Generator – self-sufficient energy supply for micro systems,”16th Int. Conf. on Therm, 1997, pp. 575-7][4] E.M. Yeatman, “Advances in Power Sources for Wireless Sensor Nodes,” Proc. Int.Workshop Wearable andImplantable Body Sensor Networks, Imperial College, 2004
Conference Session
The Impact of Curriculum on the Retention of Women Students
Collection
2007 Annual Conference & Exposition
Authors
Lisa Romkey, University of Toronto
Tagged Divisions
Women in Engineering
engineering relate to domestic life inthe 18th and early 19th centuries (Kohlstedt35, 1999). In fact, the study of botany was framedfor and by women in the late 18th century, who used their knowledge in gardening, herbalmedicine and food preparation. Women living in rural areas, through organizations such asthe Women’s Institute in Ontario, shared knowledge about science relating to the home –such as farm work, health, food and hygiene issues. This would give birth to schools such asthe MacDonald Institute at the University of Guelph (McPhedran40, 2003).Engineering was a men’s club until the late 1800’s, at which time very few women took upthe discipline. In 1893, only three women had ever received an engineering degree in theUnited States (Lebold
Conference Session
Bioengineering laboratories: Bringing research into the classroom
Collection
2007 Annual Conference & Exposition
Authors
David Barnett, Saint Louis University; Rebecca Willits, Saint Louis University
Tagged Divisions
Biomedical
courses described herein serves tointegrate the student’s theoretical studies with practical experiences in an environment that isboth supportive and professional as well as well designed to prepare students for the next phaseof their career.Bibliography1. King, Paul H., and Fries, Richard C., Design of Biomedical Devices and Systems, Marcel Dekker, Inc., 20032. Enderle, J., Gassert, J., Blanchard, S., King, P., Beasley, D., Hale, P. Jr., Aldridge, D., “The ABCs of preparing for ABET,” IEEE Engineering in Medicine and Biology Magazine, v22.4, 122-132 (2003)3. Enderle, J.D., Ropella, K.M., Kelso, D.M., and Hallowell, B., “Ensuring that biomedical engineers are ready for the real world,” IEEE Engineering in Medicine and Biology Magazine
Conference Session
Evaluation and Assessment of IE Programs
Collection
2006 Annual Conference & Exposition
Authors
Ann Koopmann, University of Nebraska-Lincoln; Erick Jones, University of Nebraska-Lincoln
Tagged Divisions
Industrial Engineering
generally measure theCT level of their engineers. This SECtCS modeler created in Phase 2 can be utilized to identifyunproductive student measures or variables specific to that college. This group-specificquestionnaire and model should be utilized for existing students where the organizations find ithard to measure but require innovation in order to retain a competitive advantage.Implementation of other phases of the methodology is not recommended without furtherdirection from the researchers.REFERENCESBarber, Luke and Weinstein, Matt. Work Like Your Dog: Fifty Ways to Work Less, Play More, and Earn More.(New York: Villard 1999)Bassman, Emily S., Abuse in the Workplace, Management Remedies and Bottom Line Impact. (Westport: Quorum Books
Conference Session
Current Topics in IE Education
Collection
2006 Annual Conference & Exposition
Authors
Luis Rabelo, University of Central Florida; Ethling Hernandez, University of Central Florida; Lesia Crumpton-Young, University of Central Florida; Hamidreza Eskandari, University of Central Florida; Serge Sala-Diakanda, University of Central Florida; Sandra Furterer; Kent Williams, University of Central Florida
Tagged Divisions
Industrial Engineering
group ofexperts located in different geographical areas whose opinions are important for decisionanalysis. Through the Delphi technique different responses and views are obtained on theunderlying problem resulting in the generation of new ideas, unique suggestions, and eventuallygains consensus on the findings among a panel of experts. A conventional Delphi method startswith an open-ended questionnaire and the participants are asked to answer the question(s). Asecond questionnaire composed of collated information and calculated statistics obtained fromthe first round questionnaire is sent out asking respondents to revise their opinions about theproblem under study. This process continues until the consensus is gained among respondents orthe
Conference Session
Professional Development/Scholarship & Service Learning
Collection
2006 Annual Conference & Exposition
Authors
Jitendra Tate, Texas State University-San Marcos; Vedaraman Sriraman, Texas State University - San Marcus
Tagged Divisions
Engineering Technology
2006-2658: AN APPROACH TO TEACHING COMPUTER AIDED ENGINEERINGTO A DIVERSE STUDENT POPULATIONJitendra Tate, Texas State University-San Marcos Dr. Jitendra S. Tate is an Assistant Professor in Manufacturing Engineering at Texas State University-San Marcos. He teaches courses in Materials Engineering, Plastics and Composites Manufacturing, Engineering Design Graphics, and Computer Aided Engineering. His research interests include low cost manufacturing of composites, mechanical characterization of composites under static and dynamic loading, fatigue life prediction modeling, finite element analysis, CADD, and statistical analysis. He is a member of several professional societies
Conference Session
Collaborative & New Efforts in Engineering Education
Collection
2006 Annual Conference & Exposition
Authors
Fazil Najafi, University of Florida
Tagged Divisions
International
• Provide academic • At the beginning of • Faculty participation/ and develop solutions support and counsel- the school year presentation and to enhance the ing. acquaint students interview workshops existing method(s). • Provide scholarships, with departmental, for UG & G minority• Provide leadership to fellowships (offer in college and univer- programs in other coordinate UG & G Dec/Jan), and grants. sity guidelines. relevant states. of all departments • Tuition waivers. • Acquaint students • Computer orientation and Colleges within • Improve stipends and with funding sources workshops, library IHE
Conference Session
NSF Grantees Poster Session
Collection
2006 Annual Conference & Exposition
Authors
Ramachandran Venkatasubramanian, Arizona State University; Guillermo G. Mendez, Arizona State University; Brian Skromme, Arizona State University
Tagged Divisions
Division Experimentation & Lab-Oriented Studies
understanding is an area that should beparticularly enhanced by use of the spreadsheets.Table 1. Summary of student characteristics and measures of achievement.Section # of % Prior GPA DCI Pre- DCI Post- Total students graduate test* test* Course students Score*Comparison 15 60 3.04±0.61 -- 68±17 (9) 66±23Experimental (F’04) 19 26 3.43±0.49 35±10 (19) 64±13 (16) 77±10Experimental (S’05) 24 38 3.47±0.52 30±11(11) 64±10(6) 79±9
Conference Session
Graduate Education and Undergraduate Research in ET
Collection
2006 Annual Conference & Exposition
Authors
Scott Schneider, University of Dayton
Tagged Divisions
Engineering Technology
learning. However, in this course, the students require carefulguidance throughout a research effort that is looking outside of applied technology and more atthe base technology available. The use of mobile robotics is also found to be very valuable notonly in providing a meaningful multidisciplinary engineering environment, but also inmotivating students to learn.Bibliography[1] N. Tsoulfanidis. “The Benefits of the Undergraduate Research Experience,” Proceedings of the 1997 AmericanSociety for Engineering Education Annual Conference, Milwaukee, WI, June 1997.[2] D. Ahlgren, I. Verner, D. Pack, and S. Richards. “Effective Practices in Robotics Education,” Proceedings of the2004 American Society for Engineering Education Annual Conference, Salt
Conference Session
Programs for High School Students
Collection
2006 Annual Conference & Exposition
Authors
Bill Elmore, Mississippi State University; Adrienne Minerick, Mississippi State University
Tagged Divisions
K-12 & Pre-College Engineering
. Recentassessments comparing U. S. student performance in multi-national groups reveals serious faultsin this foundation.Society’s leaders and pundits consistently emphasize the role engineering and science educatorsserve in building technical literacy4-6. Methods, techniques and strategies abound for engagingstudents in the quest for technical knowledge and understanding7-8. The authors have engaged in Page 11.1406.3a variety of activities to try and bridge the technological literacy gap, including working with K-12 pre-service teachers9-11.While outreach programs serve an important role informing students of available programs andfields of study, a detailed
Conference Session
New Topics in IE Education
Collection
2006 Annual Conference & Exposition
Authors
Jamie Workman-Germann, Indiana University-Purdue University Indianapolis; Heather Woodward-Hagg, Indiana University-Purdue University Indianapolis
Tagged Divisions
Industrial Engineering
project, there are obstacles that must be identified and overcome. Forthis project, major obstacles identified are: change within radiology, change outside radiology(scheduling, registration, corporate culture, physicians), and system thinking.Project Objective(s): Objectives for this project are to: 1. Identify and reduce the impact of the radiology process constraints limiting the ability of the MR and CT areas to maintain their referral base. 2. Provide a project roadmap to maximize the number of procedures available on a daily basis in the MR and CT areas, resulting in increased revenue. 3. Provide a project roadmap to increase patient and physician customer satisfaction 4. Create standardized
Conference Session
Manufacturing Laboratory Innovation
Collection
2006 Annual Conference & Exposition
Authors
Paul Nutter, Ohio Northern University
Tagged Divisions
Manufacturing
and graded to ensure active studentinvolvement. The final tutorial includes creation and generation of an off-line robotics program,which can be sent to a working robot in another location. All students work independently ontheir assignments, but frequently assist one another to overcome problems they encounter.Approximately midway through the ten-week quarter the students are split into teams of three tofive persons for assignment to a company project. Based on individual preferences or companyrestrictions (e.g.; US citizenship) the project is designated and arrangements made for a plantvisit. Typically, a 1-2 hour meeting with the company includes an explanation of their business, ageneral description of the operation(s) to be simulated
Conference Session
Computer and Information Technology-Related Issues
Collection
2007 Annual Conference & Exposition
Authors
Ghassan Ibrahim, Bloomsburg University; Owen Wesstrom, Keystone Communications; Chris Root, PSU/Harrisburg; Kyle Noss, Benatec Associates, PA
Tagged Divisions
Engineering Technology
through free space. Propagation coefficient, reflection coefficient, voltage standing wave ratio (VSWR) and their use in analysis of RF systems and devices. Introduction to Antennas, as the interface device between transmitters, receivers and free space. Table II RF Experiments Signal analysis using spectrum analyzer Network analysis using of network analyzers S parameter characterization of RF networks Characterization of various RF components, including filters, mixers and couplesThe
Conference Session
Technical Issues in Architectural Engineering I
Collection
2006 Annual Conference & Exposition
Authors
Kevin Dong, Cal Poly-San Luis Obispo; Thomas Leslie, Iowa State University
Tagged Divisions
Architectural
AVERAGE Arch 602 (control) Studio S 04 NA 3.83 3.67 4.33 4.33 3.83 3.50 3.50 4.33 4.17 4.50 3.67 4.33 4.17 3.83 4.00
Conference Session
ECE Poster Session
Collection
2006 Annual Conference & Exposition
Authors
Peter Idowu, Pennsylvania State University-Harrisburg; Gordon Brinton, Pennsylvania State University-Harrisburg; Harley Hartman, Pennsylvania State University-Harrisburg; Scott Neuhard, Pennsylvania State University-Harrisburg; Resmy Abraham, Pennsylvania State University-Harrisburg; Eric Boyer, Pennsylvania State University-Harrisburg
Tagged Divisions
Electrical and Computer
100 N VA 0 J N I W S Installed Gen. Capacity K E N Consumption
Conference Session
Emerging Trends in Engineering Education Poster Session
Collection
2006 Annual Conference & Exposition
Authors
Margot Vigeant, Bucknell University; Richard Moore, Bucknell University
fundamental chemical engineering concepts. Assessment shows both thetechnical and affective objectives of the seminar were accomplished. This seminar should beportable to other institutions, or with some modification, could be used in outreach activities withhigh school students. We plan to use this seminar again in the coming academic year.Bibliography1. Vigeant, M., J. Baish, R. Kozick, S. Petrescu, R. Zaccone, and R Ziemian. Introducing First-Year Students toEngineering, Economics, and Social Responsibility: Ada Compliance as a First Project. In American Society forEngineering Education. 2004. Salt Lake City, UT.2. Vigeant, M., S. Velegol, J. Baish, R. Kozick, R. Zaccone, and R Ziemian. Restructuring Exploring EngineeringAt Bucknell University. In
Conference Session
Trend in Construction Engineering Education I
Collection
2006 Annual Conference & Exposition
Authors
Ifte Choudhury
Tagged Divisions
Construction
) in theearly 1990’s to about Tk. 200 billion (3.33 billion US dollars) in 2003. Figure 1 shows a steadyincrease of the country’s construction output which is presently over 8 per cent of its GDP1.Most of the construction works are in the public sector. Funding for a high percentage ofconstruction projects come from multilateral development agencies (MDA) like the World Bankor Asian Development Bank.The rapid growth in the construction sector demands an adequate number of professionals with abroad understanding of the principles of construction science as well as leadership skills in Page 11.473.2motivating teams and integrating a wide range of
Conference Session
On Pedagogy of Lab Courses and Their Design
Collection
2006 Annual Conference & Exposition
Authors
Alan Cheville, Oklahoma State University
Tagged Divisions
Division Experimentation & Lab-Oriented Studies
was supported through the National Science Foundation through theCAREER program (NSF9984896); the Course, Curriculum, and Laboratory Improvementprogram (NSF0088279), and the Department Level Planning Grants for Engineering Education(NSF0230695). LASER CULT case studies are available on-line3, as are portfolios of studentwork8. The author acknowledges generous equipment donations from Melles Griot andThorlabs.Bibliography1 Committee on Optical Science and Engineering, Harnessing light: Optical science and engineering in the 21st century. (National Academy Press, Washington, D. C., 1998).2 S. B. Feichtner and E. A. Davis, "Why some groups fail: a survey of students' experiences with learning groups," J. Organ. Behav. Teaching Soc
Conference Session
Mentoring Graduate Students
Collection
2006 Annual Conference & Exposition
Authors
Sharnnia Artis, Virginia Tech; Glenda Scales, Virginia Tech; Odis Griffin, Virginia Tech
Tagged Divisions
Graduate Studies
a new skill. Using role play enhanced the students’ interest in the course andafforded opportunities of how to apply training concepts in the corporate environment. Thestudents obviously enjoyed the use of role play as an instructional method, developed thenecessary skill set to design effective training programs, and highly recommended this course toother engineering graduate students. With the necessary planning and preparation, the use ofrole play in a graduate engineering course can be successfully implemented to provide a moreproductive student-centered approach to teaching and learning.Bibliography1. Andrianoff, S. K., and Levine, D. B. (2002). Role playing in an object-oriented world. SIGCSE Bulletin.2. Brady, K. M., Forton, M. B