Message and Concept Comparison Survey
Compare options fairly.
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Design a survey comparing messages or concepts. Options to compare (A, B, C): [OPTIONS]. Audience: [AUDIENCE]. Decision: [DECISION]. Use a randomized monadic design where each respondent sees one option, or a sequential monadic design with randomized order, and explain the trade-offs. Draft questions measuring comprehension (what is this?), relevance, believability, differentiation, and interest, each on a 5-point scale, plus one open question about confusion. Include attention checks and an exit question about familiarity. Describe the analysis: compare top-two-box percentages across options with confidence intervals (1.96 x sqrt(p(1-p)/n)), shown with an example; check that differences exceed the margin of error; segment cuts only if planned. Provide a decision guide and warnings about stated preference versus behavior. Add an invitation (80 words) and ethics notes about honest descriptions. Provide the sample size needed per option for a chosen margin of error, using n = 1.96 squared times p(1-p) / e squared with an example, and the table layout for presenting results with intervals.
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