In the Context of Sampling,what Is Random Selection

Multiple Choice

In the context of sampling,what is random selection?

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 a nonprobability sample type for which a researcher identifies subgroups within a population of interest and then selects some predetermined number of elements from within each subgroup.
D) It is a nonprobability sample type for which a researcher gathers data from the elements that happen to be convenient.