Measurement & strategy · Common term
Sample size
What is sample size?
The number of observations used in an analysis.
Sample size: an illustrative example
Twenty replies may be too few to compare several customer segments.
Sources and related reading
- Related MAC perspective: evidence, people, and accountability — related reading
This is a practical common term. Examples illustrate the concept; they are not verified client results. Working definitions and accountability lenses are not claims of a universal standard or original coinage.
Related measurement & strategy terms
- A/B testing
Comparing two versions by randomly assigning participants and measuring a predefined outcome.
- Accountable owner
The person responsible for carrying an agreed outcome through delivery.
- Attribution
Assigning credit for an outcome to observed touchpoints using a stated rule or model.
- Baseline
The starting reference against which change is assessed.