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MA questions should be able to award partial credit

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Jeremy Walker

MA questions should be able to award partial credit based on how many of the correct choices have been selected.  

Some sort of allowance would need to be added in if there were two correct choices and they picked all of the choices (you wouldn't want them to get full credit then).  For example, if there were four choices and two were marked as correct and the problem was worth two points, then give one point for each of the correct answers and then subtract .25 (2pts divided by 4 options) for each incorrect answer.  If the round down setting was on, the student would get 1 out of 2.

Currently that student would get a 0 out of 2 so there is no reward for getting some of the answers correct.  That seems inconsistent with allowing the partial score setting to be turned on.

Please let us know if you have questions.

Thanks for considering this request.

Jeremy

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Brad Marshall
  • Agilix team member

MA questions do support partial credit. The way it is setup is that for any incorrectly answered question it deducts any correctly answered question.

So, as an example, if there were 4 possible choices and two of the choices are correct:

  • Student selects only 1 option and it is a correct, student would receive 50% for the question.
  • Student selects 2 options and 1 is correct and 1 is incorrect, student would receive 0%.  
  • Student selects 3 options and 2 is correct and 1 is incorrect, student would receive 50%. 
  • Student selects all 4 options and 2 is correct and 2 is incorrect, student would receive 0%.

So, for every incorrect answer, it negates a correct answer. For this to work in the above example, partial credit has to be enabled and an even number of points possible or rounding is not enabled.

Does that make sense?

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Jeremy Walker

That does make sense and the teacher is ok with that.  Thanks for the explanation.

Is this documented like this somewhere?

Thanks much,

Jeremy

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Brad Marshall
  • Agilix team member

Not yet. We do have some revamped authoring documentation coming which would handle this.

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Jeremy Walker

Sounds good, Brad.  Thanks!

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Kevin McBride

As a request, it may be appropriate to see an option for partial grading to be set in a different way, depending on the question being asked and grading preferences.

MA questions could, alternatively, be thought of in a  way where the student makes a choice to check each box individually. In this way, it would be somewhat similar to a T/F question for each answer choice. 

In this way, a teacher would expect each correct answer to count as percentage=correct/# of choices. 

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Brad Marshall
  • Agilix team member

Hey Kevin, you are correct in that that is not the way that Multiple Answer questions work. It looks at correct/# of possible correct choices. However, your use-case could be easily met by creating different Multiple Choice questions for each individual item that has to be assessed.

If we were to implement something like you suggested, then a student would get points for not even answering the Multiple Answer question. For every item that would be "correct" for leaving blank, they would receive points. In a Multiple Choice scenario, the user is required to answer "False" or "True." The difference is that the user must respond.

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Aaron Carter

Perhaps I'm looking at this incorrectly, but in the situation listed above (4 options, 2 correct choices) the student should either only select an option if they're 100% sure, or, take an option most kids wouldn't even think of and choose 3 options even though they know only 2 are correct.  So, a student is sure about one option, but not sure of another.  If they only select one option and get it right - 50% credit.  If they take a risk and guess (which I would assume most kids would do since in most standardized tests they are encouraged to guess) and get it wrong, they aren't given credit for their partial answer.

In the end, for the kid that isn't 100% sure about both options, it seems to me that it's set up so that the kids are penalized for guessing on one option, when, like I said, for most standardized tests they are encouraged to guess if they're not sure. 

It seems to me that in the case listed above, with 4 options and 2 correct choices, the partial credit option is irrelevant.  Not to speak for every educator using the program, but I would say that most teachers using this feature don't realize it's scoring in this way.

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