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ENGAGING STUDENTS THROUGH THEIR EVERYDAY EXPERIENCES Eann Patterson

ENGAGING STUDENTS THROUGH THEIR EVERYDAY EXPERIENCES Eann Patterson School of Engineering, University of Liverpool & College of Engineering, Michigan State University. Outline. Introduction Pilot study results Pedagogical discussion & justification Everyday Engineering Examples (E 3 )

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ENGAGING STUDENTS THROUGH THEIR EVERYDAY EXPERIENCES Eann Patterson

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  1. ENGAGING STUDENTS THROUGH THEIR EVERYDAY EXPERIENCES Eann Patterson School of Engineering, University of Liverpool & College of Engineering, Michigan State University

  2. Outline • Introduction • Pilot study results • Pedagogical discussion & justification • Everyday Engineering Examples (E3) • What is ‘everyday’ for our students? • Engage • Attracting & holding student attention

  3. E3 enhance learning • For concepts illustrated with E3 • Significantly more students rated their learning as high or significant than in the control class • E3 overall value correlated very highly with contribution to understanding • Learning independent of the level of difficulty Campbell PB, Patterson EA, Busch Vishniac I, Kibler T, Integrating Applications in the Teaching of Fundamental Concepts, Proc. 2008 ASEE Annual Conference and Exposition, (AC 2008-499), 2008

  4. Poll A: • Which of the following best describes you: • I am flexible and open‐minded; I am happy to have a go at new things without preparation. • I am careful and cautious; I investigate a new topic or process in depth before trying it. • I like realistic, but flexible plans; I try things out by practicing to see if they work. • I plan events to the last detail; I like to know the right answers before trying something new.

  5. feeling Accommodators (doing & feeling) 1 2 Divergers (watching & feeling) doing watching 3 4 Convergers (doing & thinking) Assimilators (watching & thinking) thinking How do people learn? 2. careful & cautious 1. flexible & open‐minded Concrete Experience Active Experimentation Reflective Observation 3. realistic & flexible 4. plan to the last detail Abstract Conceptualization Kolb DA, Learning style inventory technical manual. McBer & Co., Boston, MA, 1976.

  6. Attention grabbers “educational role of faculty is not to impart knowledge; but to design learning environments that support … knowledge acquisition” [for all students] Adams RS, Felder RM, Reframing professional development: A systems approach to preparing engineering educators to educate tomorrow’s engineers. J. Engineering Education, 97(3):230-240, 2008

  7. feeling 2. Reviewing the experience 1. Having an experience REFLECTOR ACTIVIST doing watching THEORIST PRAGMATIST 3. Concluding from the experience 4. Planning the next steps thinking Cycling through learning modes Honey P, Mumford A. The Manual of Learning Styles 3rd Ed. Maidenhead, 1992

  8. Attention grabbers “Knowledge is experience, everything else is just information” Albert Einstein

  9. Common experiences • Modern students have limited lab or industry experience • Our task is to find their common experiences & use them to illustrate engineering principles • Everyday Engineering Examples provide a pool of common experiences

  10. feeling 2. Reviewing the experience 1. Having an experience REFLECTOR ACTIVIST doing watching THEORIST PRAGMATIST 3. Concluding from the experience 4. Planning the next steps thinking Cycling through learning modes EVERYDAY EXPERIENCE INSTRUCTOR LEAD INSTRUCTOR/STUDENT ACTIVITY STUDENT LEAD Honey P, Mumford A. The Manual of Learning Styles 3rd Ed. Maidenhead, 1992

  11. Poll B • How old are you? • Under 35 • 36 – 45 • 46 – 55 • Over 55

  12. Things have changed When you were at high school the following did not exist: • Under 35 Flashdrive (2000)q • 36 – 45 Digital MP3 player (1997) plus all aboveq • 46 – 55 Digital camera (1988), Graphing Calculator (1985) plus all above • Over 55 Internet (1983), Spreadsheet (1978), Solar- powered calculator (1978) plus all above

  13. Anthropologically significant • The cultural gap between student and professor is large enough to have warranted an anthropological study: • Nathan R, My freshman year: What a professor learned by becoming a student, Cornell University Press, Ithaca, New York, 2005

  14. Everyday Engineering Examples • Familiar real-life objects & situations used to illustrate engineering principles • Level of idealization minimized to retain relevance and context

  15. Poll C - Who said? “everything should be made as simple as possible but not simpler” Niels Bohr Albert Einstein William of Occam Richard Feynman

  16. Poll C - Who said? “everything should be made as simple as possible but not simpler” Albert Einstein Ockham’s razor: entities are not to be multiplied without necessity William of Ockham

  17. Everyday Engineering Examples Familiar real-life objects & situations used to illustrate engineering principles Level of idealization minimized to retain relevance and context Choice of examples is critical Transparent connection to students’ experience Basis for straightforward implementation of engineering principles

  18. Essential attribute #1 • Examples need to be familiar to all students • Using sailboats to teach vectors might work in Maine but not in the Midwest. • Walnuts falling from trees to illustrate kinematics of particles might work on a tree-lined rural campus but is irrelevant for an urban, inner city university. • Students may panic about the context and fail to listen1 1. Rosser SV, Gender issues in teaching science, in S. Rose. & B. Brown (eds.), Report on the 2003 Workshop on Gender Issues in the Sciences, pp. 28-37, 2004.

  19. Essential attribute #2 • Pose questions with useful or interesting answers • Absence of a useful or interesting end-point creates tedious intellectual exercises • Perceived usefulness of learning influences students’ motivation1 • ‘Fruitful applications’ • Art Heinricher, Dean of Undergraduate Studies and Professor of Mathematical Sciences, WPI. 1. Wigfield A, Eccles JS, Expectancy-value theory of motivation, Contemporary Educational Psychology, 25(1): 68-81, 2000

  20. E3 Exemplar #1 • WINNIE THE POOH & PIGLET • For Freshman Physics • Topic: Buoyancy • Activity: • Show video & discuss buoyancy http://www.archive.org/details/PoohBuoyancy • Have students calculate number of helium balloons needed to lift them in a lawn chair • When they have answer show themhttp://www.youtube.com/watch?v=BWYtL7afsMQ&NR=1 Chad Young of Nicholls State University on www.EngageEngineering.org

  21. E3 Exemplar #2 • FOOD CARTONS/BOXES • For Freshman Engineering Graphics • Topic: Pattern Development • Activity: • Distribute old boxes to students • Have students estimate volume & surface area • Disassemble boxes measure area of card used • Discuss how box manufacturers minimize waste. Sheryl Sorby of Michigan Tech. University on www.EngageEngineering.org

  22. Funded by the National Science Foundation. Opinions expressed are those of the author and not necessarily those of the funder.

  23. Poll D – Who said? “It's very hard, so I try and make it as engaging as it can be. But you have to face the fact that, no matter how good it is, you can only hold their attention for a little while.” • Eric Clapton • Bill Clinton • Richard Feynman • Charles Vest

  24. Poll D – Who said? “It's very hard, so I try and make it as engaging as it can be. But you have to face the fact that, no matter how good it is, you can only hold their attention for a little while.” Eric Clapton Bill Clinton Richard Feynman Charles Vest

  25. Poll D: “It's very hard, so I try and make it as engaging as it can be. But you have to face the fact that, no matter how good it is, you can only hold their attention for a little while.” Eric Clapton (September 4th, 2005 San Diego Union Tribune)

  26. Lesson plans • Engage, Explore, Explain, Elaborate & Evaluate • not original: Biological Sciences Curriculum Study in the 1980s from work by Atkin and Karplus1 • “Disease of the modern age: continuous partial attention” 2 • Short pieces & may need to re-engage at each step • Designed to dovetail into existing course plans 1. Atkin JM, Karplus R, Discovery or invention? Science Teacher 29(5): 45, 1962 2. Friedman TL, Hot, Flat and Crowded – Why we need a green revolution and how it can renew America, Farrar, Straus & Giroux, New York, 2008

  27. 5Es (from OED) • Engage – to attract & hold fast[the students’ attention] • Explore – to look into closely, scrutinize, to pry into[the topic of the lesson] • Explain – to unfold, to make plain or intelligible[the principle underpinning the topic] • Elaborate – to work out in detail[an exemplar employing the principle] • Evaluate – to reckon up, ascertain the amount of[knowledge & understanding acquired by the students] Little W, Fowler HW, Coulson J, Onions CT, The Shorter Oxford English Dictionary, Guild Publishing, London, 1983

  28. ELEMENTARY STRESS SYSTEMS Stress & strain in uniaxial bars iPod, femur, cello Displacement plus deformation in control cables Bicycle gears, sailboat rudder Stress in pressure vessel wallBicycle pump STATICALLY INDETERMINATE PROBLEMS Compatibility & equilibrium iPod, dinosaur display TORSION Stress & strain due to applied torque Bottle closures BEAM BENDING Bending moments & shear stress Skateboarder, unicyclist on plank STRAIN ENERGY Conservation of Energy Slingshot, bungee jumper Helical springs Bicycle suspension, pogo stick METHOD OF SUPERPOSITION Eccentric loading Basketball goal Thermal stress & statically indeterminacy Rail tracks, jewellery pendant TWO-DIMENSIONAL STRESS SYSTEMS Mohr’s circle of stress Sausages Combined bending and torsion Wind-up clock, motor Sophomore Solids

  29. Engage • Take your iPod into class and dangle it by the earphone cable. Cut open the cable on an old set of earphones to expose cable and insulation. Engage, Explore, Explain, Elaborate & Evaluate

  30. Explore • Pass around class lengths of copper wire and lengths of empty hollow insulation and invite students to stretch them. • Discuss relative extensions and stiffness. • Someone will probably snap one so talk about ultimate tensile stress. Be sure have to enough lengths that every student has at least one to play with while you are talking. Engage, Explore, Explain, Elaborate & Evaluate

  31. Explain • Work through the example below: An iPod, with a mass of 30 grams is dangled from its earplug cable. (a) Assuming that the copper wire of diameter 0.40mm inside the cable carries the entire load, evaluate the stress in the wire due to the weight of the iPod. (b) If the wire in (a) is 1.50m long, by how much will it stretch? (c) Assuming that the plastic insulation, which fits snugly over the wire and has an external diameter of 1mm, carries the entire load, evaluate the stress in the insulation due to the weight of iPoD. (d) If the insulation is made from uPVC for in the circumstances described in (c) calculate the extension of the insulation Engage, Explore, Explain, Elaborate & Evaluate

  32. Elaborate • In practice the load will be borne by the wire and insulation together, discuss how this will influence the extension of both of them. • The copper and plastic are bound together and must extend by the same amount, i.e. wire = insulation. • Consequently the wire will extend less and the insulation extend more; causing more tension in the insulation than calculated and less tension in the wire. Engage, Explore, Explain, Elaborate & Evaluate

  33. Evaluate • Invite the students to undertake the following example: (a) Estimate the stress in your femur when standing still and upright with your weight distributed evenly on both feet. (b) Repeat for an adult African elephant and for an adult mouse. Only rough estimates of the bone dimensions and mass are necessary. (c) Assuming that the strength of bone in humans, elephants and mice is approximately equal, discuss the relative susceptibility to fractures. Engage, Explore, Explain, Elaborate & Evaluate

  34. E3 Exemplar #4 BALLOONS For Sophomore Thermodynamics Topic: Entropy Activity: Ask students to blow up balloons & place them in a tidy pile in a corner of the room. You won’t get a tidy pile! Ask students to discuss in pairs how the pile of balloons is analogous to heat from the gas stove or barbeque. Energy will always disperse unless it is constrained from doing so. Our most common experience of this dispersion is heat transfer as in the case of the gas stove or barbeque. The measure of energy dispersion is entropy.

  35. E3 Exemplar #5 VIBRATING RULER For Junior Dynamics Topic: Free and Forced Vibration Activity: Clamp one end on the bench and flick the free end of the ruler so that it vibrates. Slide it onto the bench so that the pitch of the noise changes – the frequency will go up. Show the students how to equate kinetic and strain energy to find the natural frequency. Ask students to repeat the analysis for a whip aerial with a ball on the tip.

  36. E3 Exemplar #6 BALSA WOOD PLANES For Sophomore Fluids Topic: Turbomachines Activity: Invite students to assemble and fly planes. Ask students to draw a velocity diagram for an element of the propeller blade. Discuss pitch angle and local angle of attack. Explain about thrust coefficients and advance ratios Discuss how pumps are characterized

  37. E3 enhance learning • For concepts illustrated with E3 • Significantly more students rated their learning as high or significant than in the control class • E3 overall value correlated very highly with contribution to understanding • Learning not tied to level of difficulty • Teaching effectiveness rated significantly higher compared to control classes Campbell PB, Patterson EA, Busch Vishniac I, Kibler T, Integrating Applications in the Teaching of Fundamental Concepts, Proc. 2008 ASEE Annual Conference and Exposition, (AC 2008-499), 2008

  38. Scott’s experience • Dr Scott Kiefer, Department of Mechanical Engineering, Michigan State University • Talking about his experience using an Everyday Engineering Example in ME222:Mechanics of Solids

  39. Take aways / Conclusions • Exploit the learning cycle via everyday experiences • E3 attributes: • Familiar to all students • Useful / interesting (to support motivation) • Resonant with students using appropriate context • 5E lesson plans: • Engage, Explore, Explain, Elaborate, Evaluate • Designed to dovetail into existing course plans

  40. “That is what learning is. You suddenly understand something you've understood all your life, but in a new way. ” Doris Lessing, Nobel Laureate for Literature

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