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Reducing Misconceptions through Lecture Tutorials and ConcepTests_MON_200_kortz
1. Reducing Misconceptions
through Lecture Tutorials and
ConcepTests
Karen M. Kortz, Ph.D.,
Community College of Rhode Island
Early Career Geoscience Faculty Workshop
Monday, June 11, 2012
Teaching Strategies 2:20-3:10
K
2. Why do we care about
misconceptions?
“… in 15 years… it had never occurred to
me that students believe that pebbles
grow.”
(Kusnick, 2002)
K
3. Why do we care about
misconceptions?
“The lava comes up through hotspots and it
forms basalt when it cools…”
K
4. Why do we care about
misconceptions?
“The lava comes up through hotspots and it
forms basalt when it cools…
Upon further questioning…
… Basalt is made from sediments.
Sediments form in the core, are brought to
the surface by hotspots, then mold
together to form the rock basalt.”
K
Kortz & Murray (2009)
7. J
Questionnaire responses from novices
19%
16%
14%
Clark et al. (2011)
The 3 most common locations students circled to indicate
where rock melts to become magma that feeds volcanism.
9. How Many Plates Are Present?
Student Responses:
2 3 4 5 6
13% 51% 29% 2% 1%
K
Kortz et al., 2011
10. Example Misconceptions about
Rocks
K
Kortz and Murray 2009
• Igneous rocks are not the result of magma
crystallizing
• Sedimentary rocks form at or directly
beneath Earth’s surface
• Pieces purposely gather to form rocks
• Black rocks = igneous
11. For More Info: Misconceptions
• How People Learn: Brain, Mind, Experience, and
School, NRC, 2000
• Sept 2005 issue of the Journal of Geoscience
Education (http://nagt.org/nagt/jge/issues.html)
• Clark S.K. et al. (2011) Alternative Conceptions
of Plate Tectonics held by Non-Science
Undergraduates. JGE, 59, p. 251–262.
• Kortz K.M. and D.P. Murray (2009) Barriers to
college students learning how rocks form. JGE,
57, p. 300-315.
K
15. Lecture Tutorials
• Worksheet students complete
in pairs after a short lecture
• Written to combat
misconceptions and difficult
topics
• Starts with basic questions and
works towards more
application-type questions
K
16. Using Lecture Tutorials
• Professor lectures for a short time
• Optional: Students are posed a conceptually
challenging question on the lecture material
• The class breaks into teams of two/three and
work through the Lecture Tutorial worksheet
• Professor “debriefs” the activity highlighting the
common problems
• Optional: Students are posed a similar question
as before
• Professor returns to lecture mode
K
17. J
• Form groups of 2 or 3.
• Complete the Lecture Tutorial titled
“Movement at Convergent Boundaries”.
• *Ask questions and
pretend you are a
student…
Lecture Tutorial Example
18. Movement at Convergent
Boundaries
On the map, which two letters will
eventually meet?
a. A and B
b. B and C
c. A and C
d. none of
them will
eventually
meet
J
19. Lecture Tutorial Research Results
• After completing the Lecture Tutorial,
student scores increased 18% on multiple
choice questions (from 58% to 76%)
• After an extended lecture (in lieu of
Lecture Tutorial) student scores increased
5% on multiple choice questions
K
Kortz, Smay, and Murray, 2008
20. Lecture Tutorial Questionnaire
Results
• 99% (n=209) of
students agreed:
“The worksheets
helped with my
understanding of
the subject”
K
Kortz, Smay, and Murray, 2008
21. For More Info: Lecture Tutorials
• Kortz and Smay (2012) Lecture Tutorials for
Introductory Geoscience, 2e. W.H. Freeman.
• Kortz, Murray, and Smay (2008) Increasing
Learning in Introductory Geoscience Courses
Using Lecture Tutorials. JGE, v. 56, 280-290.
• Lecture Tutorial module:
http://serc.carleton.edu/introgeo/index.html
K
23. ConcepTests
• Conceptual multiple-choice questions
– Focus on a single concept
– Have good multiple-choice
answers
– Are clearly worded
– Are of intermediate difficulty
– Usually ask at the levels of comprehension,
application, or analysis
– Are not terminology-intensive
K
24. ConcepTests
• Ask a ConcepTest question
• Students think about it and vote
– 30-70% should be correct
• Students pair up and discuss, if
necessary
• Students vote again
• Can be used with personal
response systems (“clickers”)
K
25. ConcepTest Voting
• Show of hands
• Show of fingers
• Colored cards
• Personal response systems (“clickers”)
A B C D
K
29. For More Info: ConcepTests
• http://serc.carleton.edu/introgeo/interactive/conctest.html
• http://serc.carleton.edu/introgeo/conceptests/index.html
• McConnell et al. (2006) Using ConcepTests to Assess
and Improve Student Conceptual Understanding in Intro
Geoscience Courses. JGE, 54(1), p. 61-68.
• McConnell et al. (2003) Assessment and Active Learning
Strategies for Introductory Geology Courses. JGE, 51(2),
205.
• http://derekbruff.com/site/classroom-response-systems
K
Editor's Notes
Talk about students not counting divergent boundaries, mixing up continents and plates, mixing up plates and boundaries