"a point for each correct answer you pick and -1 point for each wrong answer"- Google Docs Editors Community
Some checkboxes questions need a value on every box: +10 for daily exercise and -5 for sweets in a habit challenge, or -1 for each wrong answer on a test. A Google Forms quiz can't do either. It gives the question's points only when the exact set of right boxes is ticked, so partial credit and penalties are out. With Formfacade, the SCORE function lists a value for each choice in your checkboxes question and adds up the values of the boxes someone ticks. You write it once in the Calculate option of the Score question, and people see their score change as they tick.
Let's start. Create your form and follow the steps below.
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