James Spends Months Developing a Theory of Decision Making

Multiple Choice

James spends months developing a theory of decision making.But in an experimental test,only half of the participants respond as his theory predicted.James concludes that the rest of the subjects did not understand the directions and proclaims that the experiment is evidence in favor of his theory.This is an example of the ____.

A) confirmation bias.
B) conversion effect.
C) "eureka" phenomenon.
D) gambler's fallacy