What is 'Self-Selection Bias'?

What is 'Self-Selection Bias'?

Approach: Explain bias occurring when participants choose whether to be in a sample.

A bias that arises when individuals select themselves into a group, causing the sample to be unrepresentative of the entire population (e.g., voluntary customer surveys).

Follow-up: How can you mitigate this in an experiment?

Key concepts: sampling, non-random, experimental design.