Issue
Explicit association - The text field and it's label (Answer) are not associated explicitly with one another - use the <label> element to tag "Answer" and associate it with the <input> field using for and id.

Standard Level
WCAG 2 1.3.1 (A) http://www.w3.org/WAI/WCAG20/quickref/#qr-content-structure-separation-programmatic

Impact
Serious

Example Link
http://demo.moodle.net/

Test Steps

1. Login as a teacher
2. Navigate to question bank
3. Create a question of each type Short answer, Numerical, Calculated and calculated simple
4. Click the preview icon next to each
5. View the source for the answer field and see that the Answer text is not a label associated with the field