Write a single question in a clear and simple language
in the stem of the problem. A short statement increases the likelihood
that the question will be understood.
Test the clarity of the question by trying to answer it without the help
of the possible answers.
Use positive form as much as possible and, if negatives must be used,
emphasize them by using bold or capitalization in the stem.
Write all possible answers grammatically consistent with the stem of the
Make sure that the correct answer is clearly the best choice to the
informed user and choose alternatives that are conceivable enough to
lead to serious thinking. Wrong answers given by students on previous
tests are a very good source of alternatives answers.
Avoid "all of the above" and "none of the above" if possible
as they are not as challenging as other forms.
Vary the position of the correct answers.
Create your own set of rules if it improves the strength of the question.