**Evaluation algorithm**

Each of your questions has a maximum amount of points a candidate can receive for it.

For example, if a numeric input question has maximum 3 points and the candidate answers it correctly, they receive 3 points.

When calculating the test score, answers to questions are evaluated and for each answer two values are set:

**Maximum score**: the highest amount of points the candidate can receive for the answer**Obtained score**: the amount of points the candidate received for the answer

The test score is then calculated as obtained points divided by maximum points.

**How are different question types evaluated?**

**Free text and code input**

**If no answer is given:**

The answer is included in the overall test score, but given zero points.**If an answer is given:**

The answer is not included in the overall test score, until it is manually evaluated.**Once the answer is manually evaluated:**

The answer becomes included in the test score.

**Single choice and picture choice**

**If the correct option is selected:**

Candidate receives full points.**If any other option, or no option is selected:**

Candidate receives zero points.

**Multiple choice**

For each correctly chosen option 1 mark is added

For each incorrectly chosen option half a mark is taken

If the total number of marks is less than 0, the answer receives no points. But if the total number of marks is more than 0, the number of marks is divided by the number of correct options and multiplied by the maximum points for the question.

**Numeric input**

**If the answer is correct**

Candidate receives full points.**If the answer is incorrect**

Candidate receives zero points.

**More details on how Multiple choice questions are evaluated: **

The equation used is:

*points x [(number of correct options chosen) - 0.5 x (number of incorrect options chosen)] / (number of correct options)*

If only incorrect options are chosen, then the candidate will not get a negative score. It will be zero.

The reason we take points away for incorrect answers more than non-selected answers is to make sure candidates don't select every option available without consequences. If this wasn't the case, selecting all options would result in answering a question with 100% accuracy because all correct answers would be selected.

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