How do you design and validate a measurement scale?
Validation starts before data collection: construct definition, item coverage, pretest, factor structure, reliability, validity and invariance for the intended use.
Direct answer
Document evidence supporting a specific score interpretation.
Validation starts before data collection: construct definition, item coverage, pretest, factor structure, reliability, validity and invariance for the intended use.
definition → items → pretest → structure → reliability → validityESTIMAND
Estimation profile
- Unit of analysis
- Respondent × item × occasionControlled scientific terminology
respondent × item × context - Exact estimand
Evidence for score interpretation- Model or deliverable
definition → items → pretest → structure → reliability → validity
01—08
Verifiable analysis framework
- 01Question
How do you design and validate a measurement scale?
- 02Estimand
Evidence for score interpretation · respondent × item × context
- 03Data
construct_definition · item_pool · responses · criterion
- 04Model or deliverable
definition → items → pretest → structure → reliability → validity
- 05Declared calculation
definition → items → pretest → structure → reliability → validity → Evidence for score interpretation
- 06Uncertainty checks
Independent pretest · Factor validation · Measurement invariance
- 07Method-specific validation
Check data, estimate stability and interpretation limits. Independent pretest · Factor validation · Measurement invariance
- 08Limitations
Declare a scale universally valid after one alpha coefficient.
Required variables
construct_definitionitem_poolresponsescriterion
Checks · Controlled scientific terminology
- Independent pretest
- Factor validation
- Measurement invariance
Document evidence supporting a specific score interpretation.
Declare a scale universally valid after one alpha coefficient.
Scientific sources
1 source
Method connections
