Sampling Bias

Definition

Sampling bias occurs when some members of your intended population have lower sampling probability than others or when there's systematic difference between samples taken at different times or places. It can lead to misleading results.

Related terms

Selection Bias: A statistical bias in which there is an error due to a non-random selection of participants for a study or poll.

Confirmation Bias:

The tendency to search for, interpret, favor, and recall information in a way that confirms one's preexisting beliefs or hypotheses.

Observer Bias: Systematic errors in observation that occur because of an observer's expectations.