Social Scientists Who Conduct Survey Research Use a Process of Random

Social scientists who conduct survey research use a process of random selection to

A) allow them to apply the results from their survey sample to the general population.
B) allow them to increase the strength of the relationships found.
C) allow them to increase the psychological realism of their research.
D) allow them to come to causal conclusions on the basis of their survey results.
E) allow them to increase the mundane realism of their research.