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Problem-Solving Labs

Problem-Solving Labs. Concept developed by the University of Minnesota Physics Education Research Group. Different Lab Types. “Cookbook” Labs Verificational Theory base provided Plenty of direction provided Problem-Solving Labs

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Problem-Solving Labs

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  1. Problem-Solving Labs Concept developed by the University of Minnesota Physics Education Research Group

  2. Different Lab Types • “Cookbook” Labs • Verificational • Theory base provided • Plenty of direction provided • Problem-Solving Labs • Cycle of prediction-experimentation-verification-explanation • Fewer directions provided

  3. What goals are addressed in these labs? • Confront preconceptions. • Practice problem-solving skills. • Learn how to use equipment. • Observe an event that does not have an easy explanation to realize new knowledge is needed. • Gain an appreciation for the difficulty and joy of performing an experiment. • Experience what real scientists do. • Learn physics by doing something other than reading, sitting and listening.

  4. Why this style of lab? • “Cookbook” labs have little value in helping students attain the goals. • Hands-on instruction is a powerful means of overcoming preconceptions. • Allows teacher opportunity to determine student difficulties.

  5. How can I make students like and value labs? • If instructors see labs as “busy work,” so will students. • Problem-solving labs remove the busy work component. • This style of lab removes the “take the data and run” approach. • Create and use labs with real-world applications.

  6. Why have students work in groups? • Group problem solving is effective. • Groups rarely get “stuck” due to lack of resources. • Students learn from mistakes. • Students get practice explaining. • Students bring up their preconceptions. • Labs make instruction more manageable from the perspective of the instructor.

  7. Why are there so many problems in each lab? • The focus of the lab is not to get the problem “done.” • Additional problems add flexibility. • Some groups may need to be challenged. • Variety helps avoid boredom.

  8. Why don’t the lab instructions give the necessary theory? • Labs are an integral part of an entire course. • Theory is available in a textbook. • Labs without theory promote student reading and understanding of the textbook. • Doing the theory behind the lab problem helps students to understand the lab project.

  9. What is the reason for giving minimal lab instructions? • The primary reason is to help students learn physics better. • Good problem solving requires informed decision making. • Students gain experience in analytical practice. • Students are allowed to learn from mistakes.

  10. Why should students write up lab problems? • Some students will leave labs with same preconceptions they entered with, or will generate new preconceptions. • Reading lab reports gives instructor valuable information about students. • This in turn helps to redirect teaching. • Students need experience with technical writing and other forms of communication.

  11. Grading Lab Reports • Not every student has to have every part of the lab report complete. • Up to six points are awarded for lab report. • Bonus points are awarded if the group as a whole does well.

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