What I learned this past week.

Agreement scales are subject to acquiescence bias. This means that people are prone to agree with statements.

One best practice is to use a 7 point scale with bipolar response choices and 5 point scales with unipolar scales.

What is the difference between unipolar and bipolar scales. Here is a great link from survey monkey: Difference between Unipolar and Bipolar Scales

Additional resources regarding 5 and 7 point scales.  Scales

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