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The ConcepTest Library
For Peer Instruction to succeed, students need to be able to focus quickly on the concept in an interactive
way that highlights the most common misconceptions.
ConcepTests are multiple choice questions which the students pose to each other in small groups, during
class. This technique is remarkably effective at engaging students' interest and clarifying
misconceptions, if the tests are geared as much as possible to the class level. Some excellent examples
for introductory physics can be viewed in the ConcepTest database at the Project Galileo homepage.
We have begun to compile a library of ConcepTests for introductory astronomy. There are already
several hundred questions on the WWW, and over a thousand due for installation soon. We are also
SOLICITING CONTRIBUTIONS.
ConcepTest questions should be short, conceptual, multiple choice tests that can be presented without
elaborate diagrams. Quick, conceptual, multiple­choice questions that can be used for two purposes
simultaneously; a) To quickly gauge student comprehension during a class lecture, allowing real­time
adaptation of the lecture, and b) To challenge students to confront misconceptions by discussing
conceptual puzzles with peers in a collaborative atmosphere. If you wish to contribute, for format and
other considerations, please consult
http://hea­www.harvard.edu/~pgreen/educ/Contrib.html
Major contributors (say, 20 questions or more) will have password access to the full library of tests on
the WWW. Limited access preserves the thought­provoking element for students, and the requirement
of a contribution serves to make the library large, varied, and thus flexible. Eventually, any instructor
who desires will have password access.
A Java programmer is also needed. This is to implement a fully flexible WWW page whereby the
instructor simply inputs the subject and receives a list of related questions from which to choose, with
answers randomly ordered. Images and diagrams will also be included to widen the breadth of question
type. Statistical results for questions may also be included, to facilitate tailoring to different class levels.
The development of the most effective questions is best assured through classroom testing. Please let me
know if you are interested in contributing to, using, or testing the library of ConcepTests .
ADAPTED FROM
http://hea­www.harvard.edu/~pgreen/ConcepTests.html
email address is pgreen@cfa.harvard.edu.
Phone is (617)495­7057 and FAX (617)495­7356, at the
Harvard­Smithsonian Center for Astrophysics,
60 Garden St., Cambridge MA 02138