Which of the following would be an example of selection bias?
A) studying revolutions by looking at cases with outcomes of revolution and nonrevolution
B) only studying evidence consistent with your political ideology
C) studying the causes of democracy by looking only at cases with outcomes of democracy
D) studying religiosity to see if it is correlated with postcolonial regimes

Question

Quizplus · Accepted Answer

Selection bias occurs when the sample is not representative of the population being studied. In this case, studying only cases with outcomes of democracy ignores cases without democracy, leading to biased conclusions about the causes of democracy.

Which of the Following Would Be an Example of Selection