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1000 cr , test 12 , q 3

Expert replies
by hopefully » Tue Sep 04, 2007 12:43 am
The proportion of manufacturing companies in Alameda that use microelectronics in their manufacturing processes increased from 6 percent in 1979 to 66 percent in 1990. Many labor leaders say that the introduction of microelectronics is the principal cause of the great increase in unemployment during that period in Alameda. In actual fact, however, most of the job losses were due to organizational changes. Moreover, according to new figures released by the labor department, there were many more people employed in Alameda in the manufacturing industry in 1990 than in 1979.

Which of the following, if true, best reconciles the discrepancy between the increase in unemployment and the increase in jobs in the manufacturing industry of Alameda?
(A) Many products that contain microelectronic components are now assembled completely by machine.
(B) Workers involved in the various aspects of the manufacturing processes that use microelectronic technology need extensive training.
(C) It is difficult to evaluate numerically what impact on job security the introduction of microelectronics in the workplace had before 1979.
(D) In 1990 over 90 percent of the jobs in Alameda’s manufacturing companies were filled by workers who moved to Alameda because they had skills for which there was no demand in Alameda prior to the introduction of microelectronics there.
(E) Many workers who have retired from the manufacturing industry in Alameda since 1979 have not been replaced by younger workers.
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Source: — Critical Reasoning |

by mayonnai5e » Tue Sep 04, 2007 1:11 am
Should be (D) In 1990 over 90 percent of the jobs in Alameda’s manufacturing companies were filled by workers who moved to Alameda because they had skills for which there was no demand in Alameda prior to the introduction of microelectronics there.

(A) Many products that contain microelectronic components are now assembled completely by machine. --> how components are assembled is irrevelant and not discussed.
(B) Workers involved in the various aspects of the manufacturing processes that use microelectronic technology need extensive training. --> training is not discussed
(C) It is difficult to evaluate numerically what impact on job security the introduction of microelectronics in the workplace had before 1979. --> "before 1979" indicates a time period that the passage is not pertinent too thus this is a wrong answer choice
(D) In 1990 over 90 percent of the jobs in Alameda’s manufacturing companies were filled by workers who moved to Alameda because they had skills for which there was no demand in Alameda prior to the introduction of microelectronics there. --> correct; provides an explanation for the discrepancy mainly that new types of jobs involving microelectronics created jobs while at the same time eliminating obsolete manufacturing jobs.
(E) Many workers who have retired from the manufacturing industry in Alameda since 1979 have not been replaced by younger workers. --> retired workers not being replaced would leave jobs open and unfilled which is counter to the stimulus
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by hopefully » Tue Sep 04, 2007 1:59 am
OA is indded D

thanks
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by micheal_kr » Tue May 03, 2016 4:45 am
I also agree with D
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