Why do profs give exams like this?

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SUMMARY

The discussion centers on the fairness and effectiveness of multiple-choice exams that require selecting multiple correct answers, where incorrect selections lead to losing all points for that question. Participants argue that this all-or-nothing grading scheme increases the likelihood of failure and does not accurately reflect a student's knowledge. Suggestions include implementing partial credit systems and adjusting point deductions for incorrect answers to create a fairer grading environment. The consensus is that current practices can skew results and do not adequately measure student understanding.

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  • #31
mathwonk said:
<snip>
You are right that a teacher should consider what it is he/she is actually measuring with his questions/scoring. <snip>

I could not agree more; I would only add that the teacher should *clearly* communicate their metric/rubric to the students.

There are lots of things that can be measured with any test: factual knowledge, reasoning ability, creativity, communication skills and the ability to deal with a stressful situation are a few. By selecting a particular format, the instructor also chooses to focus on one or a few of these.
 
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  • #32
Hurkyl said:
And yes, you really do want to penalize guessing. Admitting you don't know how to do a problem is a much, much better response than making a blind guess.

I strongly disagree with this. If a student is able to eliminate choices, that demonstrates some knowledge of the subject, and should have a positive expected value.
 

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