According to the discussion of the confirmation bias in deductive reasoning,

According to the discussion of the confirmation bias in deductive reasoning,
 
  a. the confirmation bias slightly increases the accuracy of answers for novices.
  b. the confirmation bias typically occurs when people rely too strongly on the crystal-ball technique.
  c. the confirmation bias means that people prefer to demonstrate that a hypothesis is true, rather than to demonstrate that it is false.
  d. typically only about 10 of college students tend to show the confirmation bias.

Question 2

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.