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Evaluate the design of this rating scale. Identify why it is unbalanced and describe how this layout can affect the survey's results.
Case context: A psychology student designs a survey to measure student attitudes toward online learning. For the key questions, the student uses a rating scale with the following options: 'Strongly Disagree', 'Disagree', 'Somewhat Disagree', 'Agree', and 'Strongly Agree'.
Question: Evaluate the design of this rating scale. Identify why it is unbalanced and describe how this layout can affect the survey's results.
Sample answer: This rating scale is unbalanced because its response options are not symmetrically distributed around a neutral or modal midpoint. There are three negative options ('Strongly Disagree', 'Disagree', 'Somewhat Disagree') but only two positive options ('Agree', 'Strongly Agree'), and there is no neutral midpoint. This structural imbalance can introduce bias by pushing respondents toward a particular direction or failing to offer matching levels of intensity for positive and negative responses.
Key points:
- The scale is unbalanced due to asymmetry in the response options.
- There are three negative options but only two positive options.
- The scale lacks a neutral or modal midpoint.
- This structural imbalance can bias respondents toward a particular direction.
Rubric: The student should recognize that the scale is unbalanced due to the asymmetric number of options (three negative options versus two positive options) and the lack of a neutral midpoint, and explain that this lack of balance can bias respondents.
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Research Methods in Psychology - 4th American Edition @ KPU
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