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Appendix A  Sample of Take-home component of exam


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Appendix A 
Sample of Take-home component of exam 
(student data not included with this Appendix, but it is included with the exam) 
4. Pretest 
Analysis 
Analyze the attached three “5-bulbs” pretests for the rankings and reasoning behind the rankings for 
each student.
Notice that in this version of the pretest there are two questions. You will be analyzing both questions. 
A. Analyze Question 1. Decide what model(s) each student may be using to arrive at their ranking
and state whether their reasoning is a) complete and b) consistent with the ranking. 
B. Analyze Question 2 independently of Question 1. Decide what model(s) each student may be 
using to arrive at their ranking, and state whether their reasoning is a) complete and b) consistent 
with the ranking. 
C. Briefly discuss the utility of Question 2 in gaining insight into student reasoning. What purpose 
does this question serve that Question 1 does not (or assumes)? 
D. Consider the pretests of students and in particular. For each of these two students, briefly 
discuss their responses to both questions as a set.
• Are their responses consistent with their rankings within each question (i.e. are the rankings 
and models consistent with each other)? 
• More importantly, are these students consistent from Question 1 to Question 2, or does their 
model change from 1 to 2? If so, how? And how do you know? 
Discuss the models used in each question for each student, and comment on the consistency of 
that student.
 
5. Prediction of student reasoning 
You have been given two additional students’ responses to Question 1, but not their responses to 
Question 2. (Note that one of them is identical to one of the ivory-colored ones handed out in class 
last Wednesday.) 
Based on your experience in this course, analyze each student’s response to Question 1, and then 
make two different predictions for their response to Question 2.
You may assume ideal students, but you don’t have to.
Teacher Education in Physics
102



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