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Improving Lecture Presentations: Clickers and Experiments. Jose J. Vazquez-Cognet, PhD Department of Economics University of Illinois at Urbana-Champaign Urbana, IL 60660 [email protected] Where Do I Teach? Why Do We Trade? Trade Creates Value! Break-Ice Activity: Trading Your Gift • It’s fun! • Clearly demonstrates how trade increases social welfare • Uses students’ own intuition to illustrate the concepts • Uses very little in terms of class time • Requires little in terms of materials to be distributed to students • Can be used in classes or varying sizes Where was your cloth made? • The top (i.e. t-shirt) I am wearing was made in: a) b) c) d) e) North America South and Central America Asia Africa Europe and Oceania Are We Rational? • What is your eating strategy at “All You Can Eat” style buffets? a) Eat the same way I always do. b) Eat a little more than I normally do. c) Eat until I’m dying… d) Don’t eat at all. e) I can’t decide..econ is hard..I hate this class… What Do You Think? • Should funding to public school be based on student’s test scores? a) Yes b) No What Do You Think? • • • • Do you think “three strike your out laws” work at reducing crime? Is grading on a curve a better way to encourage student effort ? Should we legalize drugs such as marijuana? Should NBA teams offer bonus for the number of assists a player made during a season? What Do You Think? • In your opinion, my English accent is: a) b) c) d) e) not so bad a little annoying horrible, I can’t understand anything. thick, but very sexy… Accent; what accent? + Peer Instruction Incentive: everyone gets bonus of 0.10 pts in Exam1 if 70% of the class gets the right answer • In what year did Adam Smith publish The Wealth of Nations? a) b) c) d) e) 1492 Columbus lands in America 1776 Declaration of Independence 1970 The most awesome economist is born. 1800 Larry King is born. Trick question; Adam Smith did not write that book. + + Peer Instruction + Incentive: everyone gets bonus of 0.10 pts in Exam1 if 70% of the class gets the right answer • What would happen to the quantity and price of Pizza sold around Campustown if a reputable newspaper publishes the results of a research study concluding that eating Pizza increases your GPA : YES! a) price and quantity of pizza will increase b) price and quantity of pizza will decrease c) price of pizza will increase but quantity of pizza will decrease d) price of pizza will decrease but quantity of pizza will increase. e) oh man, I’m SO confused, I REALLY hate ECON. The Wonderful Invisible Hand 1. You are a rational, but also energy-conservation-minded consumer, whose only goal in choosing a car is to minimize the extent to which you deplete the planet's store of fossil fuels. You usually drive an average of 7,000 miles every year. If you can't afford to buy a new car, should you rent a 10-year-old Buick ($100/yr, 20 miles per gallon) or a 10-year-old Toyota ($300/yr, 40 mpg)? To make things simple, assume the price of gasoline is $1/gallon. • Which of the two cars you would rent? a)Buick b)Toyota The Demand for Shave Heads • Which of the following prices reflect a price you would be willing to pay to buy this rose from me (at the end of the poll, I will choose someone at random and that person will have to buy the rose for the price she voted)? a) b) c) d) e) $0.00 $1.00 $2.00 $3.00 $4.00 or more The Demand for Shave Heads • Which of the following prices reflect a price you would be willing to pay to see me shaving my head right here in front of the class (at the end of the poll, I will choose someone at random and that person will have to pay)? a) b) c) d) e) $0.00 $1.00 $2.00 $3.00 $4.00 or more The Demand for Flipping Me • Which of the following prices reflect a price you would be willing to pay to see me flip twice right here in front of you (at the end of the poll, I will choose someone at random and that person will have to pay)? a) b) c) d) e) $0.00 $1.00 $2.00 $3.00 $4.00 or more ME Ticket to Free Ride • Would you donate your dollar to the public account? a)Yes b)No Some Benefits of Automatic Response Devices • For students – Lower the costs of participating for each individual student. – Increases the social benefits from most students participating in class. • For instructors – Increases the quality of the class through increase participation. – Allow for “on the spot” adjustment to lecture Automatic Response Systems: Best Practices/Issues • Use the clickers consistently, beginning with your first lecture. • Experiment with peer instruction. • Choose a grading scheme that is both consistent with your objectives and easy to manage. • Post grades regularly. • Do not use ONLY quiz-type questions. • Announce a high penalty for cheating. What Do Students Think? What do you think about Iclicker? 45% 41% 12% 2% 0% I like it a lot. I like it. I am indifferent. I dislike it. I dislike it a lot. Based on 400 students.