(C) When prisoners convicted of especially violent crimes were kept in solitary confinement, violence in the prisons increased. Therefore, violence in the prisons will not increase if such prisoners are allowed to mix with fellow prisoners.
(D) To get a driver’s license, one must pass a written test. Smith passed the written test, so she must have gotten a driver’s license.
(E) In order to like abstract art, you have to understand it . therefore, in order to understand abstract art, you have to like it.
8.Because learned patterns of behavior, such as the association of a green light with "go" or the expectation that switches will flip up for "on" become deeply ingrained designers should make allowances for that fact in order not to produce machines that are inefficient or dangerous.
In which one of the following situations is the principle expressed most clearly violated?
(A) Manufacturers have refused to change the standard order of letters on the typewriter keyboard even though some people who have over learned to type find this arrangement of letters bewildering