Selection Bias
Synonyms
Bias, Sampling
Bias, Selection
Biases, Sampling
Biases, Selection
Error, Sampling
Errors, Sampling
Sampling Bias
Sampling Biases
Sampling Error
Sampling Errors
Selection Biases
The introduction of error due to systematic differences in the characteristics between those selected and those not selected for a given study. In sampling bias, error is the result of failure to ensure that all members of the reference population have a known chance of selection in the sample.