Measurement and scales
3 important questions on Measurement and scales
You’ll have to determine a few things before you start measuring:
1. Selecting the empirical event
2. Develop the ‘mapping rule(s)’ – which numbers (or symbols) do I assign to the aspect I want to measure?
3. Applying the ‘mapping rule(s)’
2. Develop the ‘mapping rule(s)’ – which numbers (or symbols) do I assign to the aspect I want to measure?
3. Applying the ‘mapping rule(s)’
Multiple ways to get answers on a survey question and to display this numerically:
Simple category scale
Multiple-choice scale (single-response or multi-response)
Multiple-rating scale
Guttman scale
Likert scale
Semantic differential scale
Graphic rating scale
Multiple-choice scale (single-response or multi-response)
Multiple-rating scale
Guttman scale
Likert scale
Semantic differential scale
Graphic rating scale
Measurement errors in rating scales:
- Leniency
- Central tendency
- Halo effect
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