What Is Sampling Bias

What is sampling bias?

A) It is the principle that all elements in a researcher's target population have an equal chance of being selected for inclusion in the study.
B) It is the idea that a study's results will tell us something about a group larger than the sample from which the findings were generated.
C) It is the individual unit that is the focus of a researcher's investigation; possible elements in social science include people,documents,organizations,groups,beliefs,or behaviors.
D) It is the group (be it people,events,etc.) from which you actually collect data.
E) It occurs when the elements selected for inclusion in a study do not represent the larger population from which they were drawn.