Multiple choice questions with an "all or nothing" approach

Multiple choice questions with an "all or nothing" approach

by Melanie Olsson -
Number of replies: 5

Moodle version 1.9

Even though I have been looking around quite a bit I have not been able to find any information on this topic. I would like to create multiple choice questions with several correct answers, but I only want to grant credits if all answers selected are the correct ones. It is possible to apply penalties if working in adaptive mode, but this is not what I am after. I would like an "all or nothing" scoring method. Is this so obvious that I do no see how to do it or is this a very unusual way of grading a test?

I am very grateful for any hints or other feedback.

Thanking you in advance, Melanie

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In reply to Melanie Olsson

Re: Multiple choice questions with an "all or nothing" approach

by Joseph Rézeau -
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See Question Type: All-or-nothing multiple choice plugin.

Joseph

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In reply to Joseph Rézeau

Re: Multiple choice questions with an "all or nothing" approach

by Melanie Olsson -

Thank you, Joseph.
I will arrange to have to plug-in installed, but I have also thought of a workaround giving a similar and in my opinion even better result. I.e. if it works out as I expect it to. I will have to do some more testing first.

My idea is to grade all wrong answers -100. The correct answers will be graded with 100 or less, depending on how many correct answers there are for a given question so that the total adds upp to 100.

The result then is that if the student selects any of the incorrect alternatives the mark is zero. That is a one-strike-and-you-are-out approach. If the student only selects correct alternatives, but not all of them parcel credit is given.

With this grading incorrect statements are not tolerated, but you are not punished for not knowing everything about a certain knowledge domain.

I think that this could be a fair grading system.

Do you have any experience on this? Do you think that I might be on the right track here?

Cheers, Melanie

 

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In reply to Melanie Olsson

Re: Multiple choice questions with an "all or nothing" approach

by Itamar Tzadok -

This is not a workaround but rather a different approach - 'no distractors or nothing' - and it definitely has its place. But just like the standard approach, this approach may not work well where you give the students multiple attempts and show the score (which gives students a very strong incentive to keep trying until they get it right). These approaches allow for finding the correct choices by means of the score. The all-or-nothing doesn't. smile

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In reply to Itamar Tzadok

Re: Multiple choice questions with an "all or nothing" approach

by Melanie Olsson -

Yes, you are right. Workaround is not right way of putting it. It is a different solution that I happen to like even better than my original all-or-nothing concept. smile

In this particular case there will be no feedback or multiple attempts, but thank you for pointing that out.

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