A common mistake is always making the same answers correct. For example, some instructional designers make “all of the above” the correct option whenever it appears. This is called answer bias.The following tips will help you avoid answer bias: Have the correct answer be random across Activities, so that the correct answer is not always the third option or “all of the above”Have a roughly equal number of Activities where “true” is the correct answer compared to “false” as the correct answerHave a roughly equal number of Activities where “none of the above” is the correct answer compared to “all of the above” as the correct answerInclude some Activities where “none of the above” and “all of the above” appear as options, but neither is the correct answer