- Start move of statistics from being collected in form-fields to collecting these in the workflo…
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Refactor form-field statistics (part 1)- Start move of statistics from being collected in form-fields to collecting these in the workflow objects. The original code was developed with less randomization (e.g. no x out of y alternatives) which requires that the formfields have to be reset multiple times (e.g. for multiple students in the exam protocol). The exam-protocol handler cleans regularly the form-fields, which caused also the deletion of statistics. Collecting these in the (exam) workflow is safe.- Collect correct and incorrect statistics per alternative. Since different students might see different alternatives calculating the successrate can only be performed by the students having seens this alternative.
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