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Peer Instruction in Physics & Astronomy
By encouraging student participation and interaction during the lecture, Peer Instruction encourages
students to critically think through the arguments being developed, and to discuss their ideas and
insights with their neighbors.
Briefly, lectures are broken into sections. We start with a brief, moreнorнless standard format
miniнlecture on one of the fundamental concepts to be covered. This miniнlecture is then followed by a
ConcepTest нн a short multipleнchoice question that tests the students' understanding. After one minute,
the students record an answer and are then asked to turn to their neighbors to try and convince them of
their answers. This invariably leads to animated discussions. After another minute or so, the students are
asked to reconsider their answer and record it again. A quick poll is taken so the instructor can decide
whether to move on to the next concept, or to continue on the same. This process repeats until the end of
the class.
Peer Instruction was originally developed and implemented for introductory Physics by Eric Mazur at
Harvard. The improvements in student performance have been widely publicized in Sheila Tobias' book
Revitalizing Undergraduate Science (Research Corporation, 1992).
For more details, check out Mazur's PEER INSTRUCTION: A User's Manual, a book developed with
funds from the National Science Foundation and the Pew Charitable Trust. Instructors have pointed out
the benefits of teaching by questioning over the more traditional approach of teaching by telling. This
has led to consistent, measurable shortн and longнterm improvement in student performance. Student
satisfaction with the course has been high. Instructors across the country, teaching in a variety of
institutions to widely differing student bodies, have noted similar benefits.
How can we implement Peer Instruction in Astronomy?
Check out or contribute to a growing library of ConcepTests for introductory astronomy!
Back to Science Education .
Back to Paul Green's HomePage .
My email address is pgreen@cfa.harvard.edu.
Phone is (617)495н7057 and FAX (617)495н7356, at the
Center for Astrophysics,
60 Garden St., Cambridge MA 02138