Camerer and Hogarth (1999) Reviewed 74 Reasoning Studies and Concluded

Camerer and Hogarth (1999) reviewed 74 reasoning studies and concluded that:

A) When steps were taken to ensure that participants fully understood the problem their performance was still inadequate
B) Medical experts were biased by irrelevant information in diagnosis problems
C) The tasks used in deductive reasoning experiments are unlike the problems people encounter in real life
D) People are mostly rational, most of the time
E) The provision of incentives rarely led to improved performance