MC Score Types

For an answer of type mc.matrix or mc.multiple you can not only set the score factor with \score
but also choose between different alternatives to compute the score based on the user's answer.

Usage: \MCScoreType{<type>}

Type How the score is computed
1 (default) (TP - (FP / (N + 1) ) ) / T
2 (TP + TN) / (P + N)
3 (TP - FP) / P
4 (only mc.matrix) column-wise
??? further types will be available in the future

TP: true positive, FP: false positive, TN: true negative, FN: false negative, T: all true, N: all negative

Remark: The commands \score and \MCScoreType are only available within an answer, but not on question level.

Example

Type 1 Type 2 Type 3 \allMustBeCorrect
4r 100% 100% 100% 100%
3r 83,33333% 75% 50% 0%
2r 66,66667% 50% 0% 0%
1r 16,666667% 25% 0% 0%
0r 0% 0% 0% 0%

If you want that the students only gets points if all choices are correct, use the \allMustBeCorrect instead.

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\begin{answer}
 
      \type{mc.matrix}
        \text{...}
        \tasks{...}
 
        \score{6}
        \MCScoreType{2}
 
        \begin{row}
        % ...
        \end{row}
 
        \begin{row}
            % ...
        \end{row}
 
\end{answer}
 
\begin{answer}
 
      \type{mc.matrix}
        \text{...}
        \tasks{...}
 
        \score{6}
        \allMustBeCorrect
 
        \begin{row}
        % ...
        \end{row}
 
        \begin{row}
            % ...
        \end{row}
 
\end{answer}
 
\begin{answer}
 
      \type{mc.multiple}
        \text{...}
 
        \score{4}
        \MCScoreType{3}
      % ...
 
\end{answer}
 
\begin{answer}
 
      \type{mc.multiple}
        \text{...}
 
        \score{4}
        \allMustBeCorrect
      % ...
 
\end{answer}