In a Survey for Her Marketing Class,Alicia Interviewed 80 Randomly

In a survey for her marketing class,Alicia interviewed 80 randomly selected men and asked them their opinions of women with tans.Her initial results showed that the men overwhelmingly believed tans were a health risk.When she conducted the same survey again using the same methodology,she discovered that 50 percent of the surveyed population in the second group found women with tans sexy.This is most likely an example of a _____ error.

A) representational
B) random
C) nonprobability
D) frame
E) reliability