One of the most frequent mistakes I see when reviewing questionnaires are poorly written scales. Novice survey authors often create their own scale rather than using the appropriate common scale. It's hard to write a good scale; instead you are better off rewording your question slightly so that you can use one of the following.
|Acceptability||Not at all acceptable, Slightly acceptable, Moderately acceptable, Very acceptable, Completely acceptable|
|Agreement||Completely disagree, Disagree, Somewhat disagree, Neither agree nor disagree, Somewhat agree, Agree, Completely agree|
|Appropriateness||Absolutely inappropriate, Inappropriate, Slightly inappropriate, Neutral, Slightly appropriate, Appropriate, Absolutely appropriate|
|Awareness||Not at all aware, Slightly aware, Moderately aware, Very aware, Extremely aware|
|Beliefs||Not at all true of what I believe, Slightly true of what I believe, Moderately true of what I believe, Very true of what I believe, Completely true of what I believe|
|Concern||Not at all concerned, Slightly concerned, Moderately concerned, Very concerned, Extremely concerned|
|Familiarity||Not at all familiar, Slightly familiar, Moderately familiar, Very familiar, Extremely familiar|
|Frequency||Never, Rarely, Sometimes, Often, Always|
|Importance||Not at all important, Slightly important, Moderately important, Very important, Extremely important|
|Influence||Not at all influential, Slightly influential, Moderately influential, Very influential, Extremely influential|
|Likelihood||Not at all likely, Slightly likely, Moderately likely, Very likely, Completely likely|
|Priority||Not a priority, Low priority, Medium priority, High priority, Essential|
|Probability||Not at all probable, Slightly probable, Moderately probable, Very probable, Completely probable|
|Quality||Very poor, Poor, Fair, Good, Excellent|
|Reflect Me||Not at all true of me, Slightly true of me, Moderately true of me, Very true of me, Completely true of me|
|Satisfaction (bipolar)||Completely dissatisfied, Mostly dissatisfied, Somewhat dissatisfied, Neither satisfied or dissatisfied, Somewhat satisfied, Mostly satisfied, Completely satisfied|
|Satisfaction (unipolar)||Not at all satisfied, Slightly satisfied, Moderately satisfied, Very satisfied, Completely satisfied|
This list follows Krosnick's advice to use 5-point unipolar scales and 7-point bipolar scales.
Let me know any of your favorite scales that I omitted.