questionnaire-design-guide
Installation
SKILL.md
Questionnaire Design Guide
Design valid and reliable survey instruments with proper question types, Likert scale construction, response coding, and data preparation for analysis.
Survey Design Principles
Question Types
| Type | Example | Best For | Analysis |
|---|---|---|---|
| Likert scale | "Rate your agreement: 1-5" | Attitudes, perceptions | Ordinal/interval statistics |
| Multiple choice | "Select your field" | Demographics, categories | Frequencies, chi-square |
| Ranking | "Rank these 5 options" | Preferences, priorities | Rank correlations |
| Open-ended | "Describe your experience" | Exploratory, rich data | Qualitative coding |
| Matrix/grid | Multiple items, same scale | Efficient battery of items | Factor analysis, reliability |
| Slider/VAS | 0-100 visual analog scale | Continuous measures | Parametric statistics |
| Semantic differential | "Easy __ __ __ __ __ Difficult" | Bipolar attitudes | Factor analysis |