 Critics of the logical approach noted , as Dreyfus had , that human beings rarely used logic when they solved problems . Experiments by psychologists like Peter Wason , Eleanor Rosch , Amos Tversky , Daniel Kahneman and others provided proof . McCarthy responded that what people do is irrelevant . He argued that what is really needed are machines that can solve problems — not machines that think as people do . 
 Critics of the logical approach noted , as Dreyfus had , that human beings rarely used logic when they solved problems . Experiments by psychologists like Peter Wason , Eleanor Rosch , Amos Tversky , Daniel Kahneman and others provided proof . McCarthy responded that what people do is irrelevant . He argued that what is really needed are machines <a href='null_relcl' title='1'><mark>that</mark></a>can solve problems — not machines <a href='null_relcl' title='2'><mark>that</mark></a>think as people do . 
Critics of da logical approach noted , as Dreyfus had , dat human beings rarely used logic when they solved problems . Experiments by psychologists like Peter Wason , Eleanor Rosch , Amos Tversky , Daniel Kahneman and others provided proof . McCarthy responded that what people do is irrelevant . He argued that wht is really needed are machines can solve problems — not machines think as people do .