Materials from Tutorials in Introductory Physics, originally designed and implemented by the Physics Education Group at the University of Washington, were used in modified form as interactive lectures under conditions significantly different from those suggested by the curriculum developers. Student learning was assessed using tasks drawn from the physics education research literature. Use of tutorials in the interactive lecture format yielded gains in student understanding comparable to those obtained through the canonical tutorial implementation at the University of Washington, suggesting that student engagement with the intellectual steps laid out in the tutorials, rather than the specific strategies used in facilitating such engagement, plays the central role in promoting student learning. We describe the implementation details and assessment of student learning for two different tutorials: one focused on mechanical waves, used at North Dakota State University, and one on Galilean relativity, used at Western Washington University. Also discussed are factors that may limit the generalizability of the results.

1.
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11.
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15.
The definition of the term understanding shared by the UW PEG researchers (and the authors) is articulated by Heron (see citation 16) as follows
: “a student will be considered to understand a topic if, when faced with an unfamiliar problem, he or she reliably selects the appropriate concepts and principles, applies them correctly, and constructs a logically sound solution. Accordingly, instruction will be considered to be improved if more students do this more frequently. (It must be emphasized that his criterion includes not only what the student is capable of doing, but what he or she actually does.)”
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20.
For an online suite of Instructor Resources see <http://courses.washington.edu/uwpeg/>.
21.
Link to simulations <http://phet.colorado.edu/>. Also see
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,
W. K.
Adams
,
C. J.
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,
S.
Reid
,
R.
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, “
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,”
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1
(
1
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Carl E.
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,
Katherine K.
Perkins
, and
Wendy K.
Adams
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,”
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22.
The two-tailed p-value is calculated based on the two-proportion z-test. See, for example, chapter 18 of Ramsey,
Fred
L.
and
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Schafer
.
The Statistical Sleuth: A course in Methods of Data Analysis
, 2nd ed. (
Pacific Grove
,
CA, Duxbury
,
2002
.)
23.
M.
Kryjevskaia
,
M. R.
Stetzer
, and
P. R. L.
Heron
, “
Is a simple measurement task a roadblock to student understanding of wave phenomena?
,”
Phys. Teach.
51
,
560
563
(
2013
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24.
M.
Kryjevskaia
,
M. R.
Stetzer
, and
P. R. L.
Heron
, “
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,”
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25.
R. B.
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,
J. W.
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, and
H. H.
Harman
,
Manual for Kit of Factor Referenced Cognitive Tests
(
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Princeton, NJ
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26.
As described in detail below, the Spaceships task has been used to gauge student understanding of Galilean relativity and elicit specific conceptual and reasoning difficulties. In prior investigations by the Physics Education Group, it has been found that contexts effective in eliciting student difficulties are also often productive for instruction.
27.
See M.
Boas
, “
Events as the key to a graphic understanding of special relativity
,”
Am. J. Phys.
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(
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28.
We encourage interested readers to consult an online suite of Instructor resources (see citation 20) for understanding and addressing issues relevant to the student intellectual engagement with the materials.
29.
For discussion of the development of this tutorial, see
Karen
Wosilait
,
Paula R. L.
Heron
,
Peter S.
Shaffer
, and
Lillian C.
McDermott
, “
Development and assessment of a research-based tutorial on light and shadow
,”
Am. J. Phys.
66
,
906
913
(
1998
).
30.
In the authors' extensive experience administering the tutorials at UW, lecture instructors did not attend tutorial sections and rarely referred to the tutorial during the lecture. In addition, due to scheduling constraints, the tutorial topic did not always match the topic being covered in lecture.
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