A Major Advantage of Randomly Selecting Participants from a Population

Multiple Choice

A major advantage of randomly selecting participants from a population is that

A) it allows you to do your study with fewer participants and still find statistical significance in your results.
B) you can be more confident that it was the manipulation of the independent variable that caused the changes observed in the dependent variable.
C) you can be more confident that your sample is representative of the population.
D) it is more likely that your sample will have the characteristics you need it to have.