Once a person is in the sample, you must pursue that…
““Once a person is in the sample, you must pursue that person with relentless dedication to get his or her response. Any substitution violates the randomness of the sample.””
About This Quote
This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.
Relentless follow‑up is required to keep a sample unbiased; any change breaks randomness.
In simple terms: You must keep pursuing a sample without altering it.
Never alter a sample after selection.
Themes
Mood
Type
When to use this quote
- field surveys
- clinical trials
- market research
- polling
- experimental design
Key Concepts
Questions to Reflect On
- How can you ensure sample integrity?
- What risks arise from substituting participants?
If the sample changes, conclusions become invalid.