Tragically, many students come to college with very little
modeling experience. Not modeling in the sense of fashionably wearing retail
clothing or modeling in the sense of painstakingly gluing tiny pieces together
in order to make ostentatious little cars, but modeling in the sense of
deriving mathematical equations to represent real-world phenomenon. Dr. Abra
Brisbin, Department of Mathematics, utilizes an active learning teaching
technique called “information search” to get her students to interact with
models in a meaningful way.
Setting: Activity
utilizing pod groups (5 pods with 3 students per pod), groups reporting out,
and a discussion involving the whole class
Setup for the
activity: Students were assigned to read two papers ("Just modeling
through: A rough guide to modeling" by Michael Pidd and "It's the
findings, stupid, not the assumptions" by Stephen Shugan) and write
answers to three questions about the papers before class.
How the activity unfolded
in the classroom: I assigned each group one of the first 5 principles of
modeling discussed in Pidd's paper. They discussed their assigned principle
within their pod, and used the whiteboards to write answers to the following
questions: What does this principle mean? Why is it important? Give an example
of applying the principle. While discussing within their pods, several groups
used the computers at each table to bring up a copy of the paper to refer to.
After about 15 minutes, I asked a member of each group to
explain their answers to the rest of the class. I solicited discussion on
connections between the principles and students' prior knowledge by asking,
"Did any of the principles surprise you?" and "How could this
principle apply to the model of the wolf population we worked on last
week?"
After the activity:
The presentation by students and discussion were part of the activity. On a
subsequent homework problem, students were asked to build a model of the number
of restaurants in the United States, and write a paragraph describing how their
model-building process illustrated a principle of modeling.
Additional comments
from the instructor: "I was pleased that this activity got students to
think about the broader context of modeling, in contrast to the specific
mathematical tools for modeling that are the focus of most of the course. In
the future, I would like to spend more time discussing the Shugan paper (most
of the time was spent discussing the Pidd paper), and integrate additional
questions throughout the term to call students' attention back to this
activity."
Tip provided by Abra Brisbin
Write-up by Jon Pumper
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