Single choice (ETH)

Question types ::: qtype_sc
Maintained by ETHzETH Zürich
Teachers can have more than one (single) true/false question in same stem. this saves creating new questions for each stem. especially when it comes to an essay followed by many questions.
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Goal & Scope

Teachers can have more than one (single) true/false question in same stem. this saves creating new questions for each stem. especially when it comes to an essay followed by many questions.

Creating a SC question teachers will have the possibility of choosing between three scoring methods: SC 1/0, Subpoints and Aprime. Aprime is a new scoring method designed to find a solution for a fairer scoring if students are risk averse.

For the scoring method Aprime and Subpoints the crossing-out-distractors-function is combined with scoring. A student can cross out an option as a distractor instead of guessing which option is correct and gets subpoints for each correctly identified distractor. As soon she or he selects an option as the correct one, no subpoints are awarded for correctly identified distractors. The layout here has to show that this is used as a scoring method and not as a crossing out of distractors for annotation reasons.

 

SC run mode with distractor cross out (scoring method: SC1/0 )

This feature allows the student to cross out options he or she is sure are wrong so that he or she only has to look at the reminding options coming back again to solve the question. This allows what student can do on paper exams, when marking distractors with a pencil.


Precondition: SC1/0 is selected as scoring method.

A student solving a SC question clicks on the distractor icon to select distractors. In this way she or he can cross out the options, which she/he is sure are not the correct answers and doing this she/he can focus on finding the correct option between the remaining not crossed out options. This selection has to be saved for the duration of the exam and in the results.

  

Choosing distractor combined with scoring (Scoring method Aprime or Subpoints)

Precondition: Aprime or Subpoints is selected as scoring method.

For the scoring method Aprime and Subpoints the crossing-out-distractors-function is combined with scoring. A student can cross out an option as a distractor instead of guessing which option is correct and gets subpoints for each correctly identified distractor. As soon she or he selects an option as the correct one, no subpoints are awarded for correctly identified distractors. The layout here has to show that this is used as a scoring method and not as a crossing out of distractors for annotation reasons. 


Screenshots

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Contributors

ETHz
ETH Zürich (Lead maintainer)
Thomas Korner: Service owner, contact
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