Which of the following sources would tend to be the least biased on the topic of whether capital punishment has a deterrent effect on the homicide rate?
A) A politician who is running on a "law and order" platform
B) A district attorney who has tried more than a dozen capital-punishment cases
C) A defense attorney who has defended clients charged with capital crimes
D) A criminologist whose field of expertise is capital punishment
E) A survey of police officers

Question

Quizplus · Accepted Answer

A criminologist with expertise in capital punishment would likely have conducted research and analysis on the topic and would not have a personal stake in the outcome. The other options, particularly A and B, have personal or professional biases that could affect their perspective on the topic.

Which of the Following Sources Would Tend to Be the Least