Question

Cynthia has developed an informal hypothesis: "If a student is a psychology major, then that student favors gun control." She questions 20 psychology majors and all 20 do favor gun control. However, she does not pursue additional information Specifically, she does not seek out people who oppose gun control, to determine whether they are psychology majors. From the perspective of deductive reasoning, Cynthia has_______.

a. demonstrated confirmation bias.
b. relied too heavily on the belief-bias effect.
c. relied too heavily on counterexamples.
d. overused the availability heuristic

Answer 1

a. demonstrated confirmation bias.

Step-by-step explanation:

Confirmation bias: In psychology, the term confirmation bias is also referred to as confirmatory bias. It is the propensity of an individual to interpret or understand a particular piece of information in a way that satisfies or confirms his or her preconceptions and this often leads to creating statistical errors.

In confirmation bias, a person may lead to holding false beliefs that have no real evidence.

In the question above, Cynthia has demonstrated confirmation bias.