Page 13.550.9The third null hypothesis was: There are no strong relationships between students’ self-regulativebehaviors (the total time spent and the level of Math skills mastered while using ALEKS) and thedegree of improved knowledge in Precalculus. To test the hypothesis, we analyzed the total time(measured in hours) students spent with ALEKS and the level of Math skills they mastered inALEKS obtained from the experimental group (section 1 and section 2). See Table 6.Table 6. Descriptive Statistics for Total Time Spent and Mastery Level Achieved in ALEKS. Total Time Spent b Math Skills MasteredSection 1 M 115.69 88.07(N = 41)a
to be generous and help students learn to deal with this type of evaluation. MBO is an unfamiliar rating system to most students, although some of them will have experienced it during summer internships. • Students who meet their objectives should receive a good grade. Meeting all of the objectives results in a score of 90%, which is the line between an “A” and a “B” at Grove City College. • Students are required to do excellent work and exceed their objectives if they want to achieve an “A”. • Students are likely to miss an objective or two, especially if the objectives are aggressive.Required Objectives Score= [(a x 100)+(b x 90)+(c x 75)+(d x 40)]/4 where: a = #Exceeded b
value is not the goal, so they needto think of some means besides an equation to reach this goal. And in the latter case thestudent may simply think they can use the heuristic of process of elimination to rank thechoices on the basis of one of the parameters given.Ranking tasks can also be used to help students better understand equations as models—representations—of physical systems and how common sense ideas they have affect howthey try to apply equations. For example, the ranking task shown in Figure 4 was givenas a homework task in a general physics course enrolling engineering technology majorsafter Newton’s second law had been introduced. Two thirds of the students (19/29)produced a ranking of E first, A and D tied for second, C fourth, B
scans. Its main advantage over the comparably priced scanners Page 13.991.5 (NextEngine and Roland) is that the accuracy is better and there is no set object size limitation that can be scanned, though 8” to 10” in length may be ideal. Educational price for the E-Scan with SLIM software is $ 5000.b) Reverse Engineering Software: i) Rhinoceros10 This software connects with digitizers for capturing existing model geometry. Editing and aligning imported data is possible though most users choose a different program to do so. Manual interface is required for these operations. Third party vendor plug-in is
rack and hob cutter), can be conveniently mass produced because of their cutting surfaces are straight and therefore easy to sharpen.As their name suggests, involute gears have the active flanks of their teeth shaped as involutecurves of a common circle, called base circle. The involute of a circle is obtained by attaching ataut, inextensible string to this given circle, and tracing its free end as it is wound or unwoundonto the base circle18. Fig. 1 illustrates this concept, where BC represents the string, while theinvolute curve is the locus generated by the end point C of the string. y B
Assessment. http://www.abet.org2. Bloom, B, et al. Taxonomy of Educational Objectives. New York: Longmans Green, 1956.3. Carliner, S. E-Portfolios. ASTD, May 2006. 71 – 74.4. Carlson, P. Teaching a Course in the Ethics of Human Communication. 29th ASEE/IEEE Frontiers in Education,1999. 12d6 – 18.5. Cohn, E., and Hibbits, B. Beyond the Electronic Portfolio. Educause Quarterly, 4, 2004. 7 – 10.6. Hansen, E. Technological Expertise in Liberal Education. 36th ASEE/IEEE Frontiers in Education, 2006. S1H-17- 227. Heywood, J. Think…About How Others Think: Liberal Education and Engineering. 37th ASEE/IEEE Frontiers inEducation, 2007. T3C-20 -24.8. Jablokow, K. Engineers as Problem Solving Leaders: Embracing the Humanities. IEEE Technology and Society,Winter
/29/2006 at http://www.inspiration.com/productinfo/inspiration/index.cfm.[7] Jonassen, D., 1996, “Computers in the Classroom: Mindtools for Critical Thinking,” Merrill, Englewood Cliffs, NJ.[8] Marshall, B., Zhang, Y., Chen, H., Lally, A., Shen, R., Fox, E., and Cassel,L. N., "Convergence of Knowledge Management and E-Learning: The GetSmart Experience," jcdl, p. 135, 2003 Joint Conference on Digital Libraries (JCDL'03), Houston 2003.[9] MindManager by Mindjet Mindjet, last accessed 11/29/2006 at http://www.mindjet.com.[10] Novak, J. D. & A. J. Cañas, The Theory Underlying Concept Maps and How to Construct Them, Technical Report IHMC CmapTools 2006-01, Florida Institute for Human and Machine Cognition, 2006, available
a theme (for example: Computing & Creativity) which will be presented to the facultyfellows at the beginning of the session, followed by the faculty working on their individualcourse projects. In preparation for the pilot, each faculty member was asked to pose a researchquestion with regard to computing in their course and they will use the iterative processassociated with action research to test out potential strategies. According to Kemmis as cited byHopkins: Action research is a form of self-reflective enquiry undertaken by participants in social(including educational) situations in order to improve the rationality and justice of (a) their ownsocial or educational practices, (b) their understanding of these practices, and (c) the
), (4)where K1 and K2 are constant coefficients indicating linear relationships between voltageand motor shaft rotational speed and between current and motor torque. If the appliedcurrent and voltage are assumed constant over a finite interval, say ∆t, and equations (1)and (2) are discretized over k steps where t = k · ∆t we have va (k) = Ra ia (k) + K1 ω(k), (5) B cr (k) ia (k) = ω(t) + . (6) K2 K2Combining these two equations yields
company. We are proud at theUniversity of New Haven to have been of service to the local industry free of charge. Weappreciate their trust in us by letting our faculty guided student teams work on projectsfor them and look forward to continue the practice with other manufacturingorganizations.ReferencesAskin Ronald G. and Jeffrey B. Goldberg, “Design and Analysis of Lean ProducationSystems”, Wiley, 2002.Banks, J., J. Carson II, B. Nelson and D. Nicol, “Discrete-Event System Simulation” 4thEdition, Prentice Hall, 2005.Montazer, M. A., Kursad Ece, and Hakan Alp, “Simulation Modeling in OperationsManagement: A Sampling of Applications”, Proceedings of the 14th Annual Conferenceof the Production and Operations Management Society, Savannah, Georgia
company. We are proud at theUniversity of New Haven to have been of service to the local industry free of charge. Weappreciate their trust in us by letting our faculty guided student teams work on projectsfor them and look forward to continue the practice with other manufacturingorganizations.ReferencesAskin Ronald G. and Jeffrey B. Goldberg, “Design and Analysis of Lean ProducationSystems”, Wiley, 2002.Banks, J., J. Carson II, B. Nelson and D. Nicol, “Discrete-Event System Simulation” 4thEdition, Prentice Hall, 2005.Montazer, M. A., Kursad Ece, and Hakan Alp, “Simulation Modeling in OperationsManagement: A Sampling of Applications”, Proceedings of the 14th Annual Conferenceof the Production and Operations Management Society, Savannah, Georgia
company. We are proud at theUniversity of New Haven to have been of service to the local industry free of charge. Weappreciate their trust in us by letting our faculty guided student teams work on projectsfor them and look forward to continue the practice with other manufacturingorganizations.ReferencesAskin Ronald G. and Jeffrey B. Goldberg, “Design and Analysis of Lean ProducationSystems”, Wiley, 2002.Banks, J., J. Carson II, B. Nelson and D. Nicol, “Discrete-Event System Simulation” 4thEdition, Prentice Hall, 2005.Montazer, M. A., Kursad Ece, and Hakan Alp, “Simulation Modeling in OperationsManagement: A Sampling of Applications”, Proceedings of the 14th Annual Conferenceof the Production and Operations Management Society, Savannah, Georgia
, in May 2008, and published in the Transactions ofthe American Foundry Society8. Several coordination activities with the foreign counterpart arealready under way, including the planning of casting configurations, selection of molds andmaterials, and reservation of laboratory facilities.Figure 1 shows schematics of the gating configurations being considered. Figs. 1(a) and 1(b) arebottom-filled configurations, where the casting is filled by a horizontal runner bar from belowwith two and four ingates, respectively. A surge tank is present at the end of the runner bar,which is intended to prevent jetting through the gates and promotes a quiescent entry into thebottom of the plate casting. (a) (b
) (b)Figure 2. Representative images of the developed micromixer. (a) Results showing the simulation andexperimental cross-section images of the microchannel indicating fluid and particle mixing downstream, (b)scanning electron micrograph of the fabricated micromixer. Page 13.1042.5The first few weeks of the spring quarter were spent fabricating the designed micromixer inPDMS polymer. Although the undergraduate senior students working on this project wereprepared and trained them for working in a clean room environment, most of the fabricationprocess for this project was carried out by the graduate student working. This approach wastaken
specific courses focusing on energy were found listed on the website; this may bedue to the newness of the program.Energy Related Programs at the University of Colorado at BoulderAt the University of Colorado at Boulder (CU-B), there is no single curriculum with a strongemphasis on energy. The University of Colorado has a task force to study energy, with aRenewable and Sustainable Energy Initiative started in 2006 (http://www.colorado.edu/insidecu/editions/2006/2-28/chancellor.html; http://engineering.colorado.edu/industry/Energy.htm). Avariety of activities at the University that are related to energy are described briefly below.The Joint Center for Energy Management (JCEM) in the Department of Civil, Environmental, &Architectural Engineering
+ _ A B + _ + _ V4
analog/digital, dynamic reconfiguration for implementing new functionality and obtaining better performance.In terms of ABET’s (a)-(k) criteria4, the following are the primary outcomes set for the course:(a) Ability to apply knowledge of mathematics, science and engineering.(b) Ability to design and conduct experiments, as well as, analyze and interpret data.(c) Ability to design a system, component, or process, to meet desired needs within realisticconstraints such as economic, environmental, social, political, ethical, health, and safetymanufacturability, and sustainability.(d) Ability to function on multidisciplinary teams.(e) Ability to identify, formulate and solve engineering problems.(g) Ability to communicate effectively.(k
4 2 2 2 0 0 0 0 20 40 60 80 100 0 20 40 60 80 100 0 20 40 60 80 100 (a) Test 1 (b) Test 2 (c) Final ExamFigure 1: Plots (a-c) above show histograms of the students performance on the three tests ad-ministered over the course of the semester. Each test consisted of approximately 50% historical /conceptual questions and 50% technical questions. Students showed improved their performanceon tests over the
, V., Communicating in Science: Writing a Scientific Paper and Speaking at Scientific Meetings, Cambridge University Press, Cambridge, U.K. (1993).3. Alley, M., The Craft of Scientific Presentations: Critical Steps to Succeed and Critical Errors to Avoid, Springer-Verlag, New York (2003).4. Ellis, R., Communication Skills – Stepladders to Success for the Professional, Intellect Publishing Company, Bristol, U.K. and Portland, Oregon (2003).5. Condrill, J. and B. Bough, 101 Ways to Improve Your Communication Skills Instantly, Goalminds, Inc., Palmdale, California (1999).6. Hamilton, C., Essentials of Public Speaking with Infotrac, Thomson Wadsworth, Belmont, California (2005).7. Hargie, O., A Handbook of Communications
engineering. Although the extent of topic may vary by discipline,per ABET Criteria 3(b) (c), which states that all should have the ability to design and conductexperiments and to analyze and interpret data skills1. Several educators and researchers in thepast have studied the competencies gaps in the manufacturing engineering and manufacturingtechnology curricula. Lahidji and Albayyari2 have conducted a survey on the competencies in theManufacturing Engineering Technology programs. Their finding suggests that qualityengineering is one of the thirteen major competency gaps found in the graduates ofmanufacturing engineers. In the same study, Lahidji3 quotes that 69% of the respondents fromindustry rated quality as very important skills set that they
interest while the instructor observed the students applying higher order thinking skillsto formulate, analyze, and generate a working solution for their projects [6, 7].In the fall semester of 2007, a second project experience was introduced into the 2 hour creditElectronics lab. This project had the following objectives:Provide students with the opportunity to: a) Apply the concepts learned from previous courses, especially Circuits I and II, b) Apply the concepts learned from their concurrent Electronics lectures and predefined lab experiments, and c) Challenge them to research, study and apply concepts from future course such as electronic communication circuits and RF
transport of lightthroughout an environment.As a small comprehensive college, we hope to demonstrate that ray tracing is accessible toundergraduate students at a broad range of colleges and universities, both large and small. Wealso hope that our experiences are both insightful and useful to other instructors interested in Page 13.1019.11developing their own ray tracing courses.References[1] E. Catmull. A subdivision algorithm for computer display of curved surfaces. PhD dissertation, University of Utah, 1974.[2] T. Whitted. An improved illumination model for shaded display. Communications of the ACM, 23(6):343-349, 1980.[3] J. Cleary, B
are ensured by having a mother wavelet that is absolutely and squareintegrable. The mother wavelet forms a family of wavelets when the function is scaled andtranslated in the time domain. When a mother wavelet is translated by a factor of a and scaled bya factor of b, it can be expressed in a generic form as follows7: ΖΑ Β Τ Α Ζ Τ Β Α (3)The use of these wavelet functions provides a robust method of analyzing non
rates are essentially the same in both cases. The flames in the right photoare now well-defined and the heater is hotter which means more throughput of hydrocarbonfluids. These photos in Figure 4 show how proper adjustments improve flame quality. (a) (b) Figure 4. (a) Before and (b) after adjusting the O2 and draft in a process heater.An operator can control the heater draft and excess O2 by adjusting the damper on the heaterexhaust stack, referred to as the stack damper, and on each burner, referred to as the burnerdamper. Although both the stack and burner dampers impact the draft and O2, the stack dampershould be primarily used to control the heater draft while the
• understand that decision making is better served through various perspectives • appreciate their local community and stateOne of the goals of this WebQuest was to have the students develop their critical thinking skillswhile working in groups of four. They did this by formulating their own ideas, synthesizing theinformation, and debating with teammates. Below is a list of relevant Pennsylvania statestandards addressed in this WebQuest.Science and Technology Standards 3.8.7.C Identify the pros and cons of applying technological and scientific solutions to address problems and the effect upon society.Geography Standards 7.1.6.A Describe geographic tools and their uses. 7.1.6.B Describe and locate
junction depth must beless than the diffusion length Lp of holes in the N material to allow holes generated nearthe surface to diffuse to the junction before they recombine. Similarly, the thickness ofthe P region must be such that the electrons generated in the P region can diffuse to thejunction before they recombine. b. Review of some photovoltaic production optionsThere are mainly two technology options for solar production: flat plate or concentrators.Flat plate technology includes crystalline silicon and thin films of various semiconductormaterials as well as organic polymers and nanomaterials. The concentrator technologyuses a system of lenses or reflectors to magnify and focus the incident solar illuminationsfor higher efficiencies1,2,3
) (b) Figure 1: Standard (a) charpy and (b) izod specimen. Izod specimen has the same notch geometry, only tested vertically. Figure 2: Idealized ductile-to-brittle transition (metals) or glass transition (polymers) as temperature decreases.The outputs of the test are the energy that is absorbed by the specimen during the deformationand fracture. The higher the energy the higher is the impact toughness of the material. Theresults are not absolute but rather comparative. Thus toughness measured by one method, suchas, tensile impact, can only be compared with results from same test using standard specimens.The ASTM D18221 sets the standard for tensile impact testing. It
degree. College Student Journal.10. Borkowski, J. G., Carr, M., Rellinger, L., & Pressley, M. (1990). Self-regulated cognition: Interdependence of megacognition, attributions, and self-esteem. In B. Jones & L. Idol (Eds.), Dimensions of thinking and cognitive instruction (pp. 53-92). Hillsdale, NJ: Lawrence Erlbaum Associates, Inc. Page 13.990.1011. Borkowski, J. G., Chan, L. K. S., & Muthukrishna, N. (2000). A process oriented model of metacognition: Links between motivation and executive functioning. In G. Schraw & J. Impara (Eds.), Issues in the measurement of metacognition (pp. 1-42). Lincoln, NE
length prediction will befairly sensitive to any variation in or . This conclusion is consistent with a qualitative fact wellknown to golfers: fast greens are hard to putt on. Note that the coefficient of restitution can bedetermined from the well known drop test ( e ? h1 h2 , where h1 is the drop height and h2 isthe bounce back height) provided that proper support of the club head is available. If not, theball can be dropped onto a flat surface made of a material that possesses a similar elasticmodulus to that of the club head. Lastly, observe that for the limiting case of a perfectly elasticcollision (so e ? 1 ) with a heavy club head so that m / M B 0 , xmax B 4h / or .A summary of major requirements for student design teams is as follows:1
forimprovement. The students dissect several staplers on the market and then use design methodsto suggest a new stapler to satisfy a potential market. The module follows the case of Accentra,Inc. who has seen considerable market success through the launch of their PaperPro line ofergonomic staplers. The laboratory exercises are supplemented with instructional video podcaststhat asynchronously guide the students through the product dissections.IntroductionProduct dissection has been used in a variety of ways to successfully engage engineeringstudents in their learning. Intellectual and physical activities such as dissection help to anchorknowledge and practice of engineering in the minds of students6,7 (Sheppard, 1992 a,b) and hasbeen successfully used