Some question types allow for multiple answers to be submitted at once, which means a learner may be able to achieve a partially correct score for their answer. When achieved, a partially correct answer will earn half as much as a correct answer. However, if you wish to only give the learner the ability to answer correctly or incorrectly, this option can be disabled.
Disabling partially correct answers
1. Go to Configure:
2. The settings for Pass and Completion rates can be found under the Scoring & Completion tab:
3. Checking the box for Do not give points for partially correct answers will make it so the learner can only achieve a score of correct or incorrect: