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Industry experts expect improvements in job safety training to lead to safer work environments. A recent survey indicated, however, that for manufacturers who improved job safety training during the 1980s, the number of on-the-job accidents tended to increase in the months immediately following the changes in the training programs.
Which one of the following, if true, most helps to resolve the apparent discrepancy in the passage above?
(A) A similar survey found that the number of on-the-job accidents remained constant after job safety training in the transportation sector was improved.
(B) Manufacturers tend to improve their job safety training only when they are increasing the size of their workforce.
(C) Manufacturers tend to improve job safety training only after they have noticed that the number of on-the-job accidents has increased.
(D) It is likely that the increase in the number of on-the-job accidents experienced by many companies was not merely a random fluctuation.
(E) Significant safety measures, such as protective equipment and government safety inspections, were in place well before the improvements in job safety training.
OFFICIAL EXPLANATION
The paradox in the stimulus is: for manufacturers who improved job safety training during the 1980s there was an increase in the number of on-the-job accidents.
Answer choice (A): This answer does not provide an explanation for the paradox in the stimulus. Some students eliminate this answer because it addresses the transportation industry, but information about the transportation industry could be used to analogically explain the issue in the manufacturing industry (but, to be correct the answer would have to offer some further relevant parallel between the two industries).
Answer choice (B): This is the correct answer. If the workforce is increasing, more accidents would be expected. Thus, safety training could improve the safety of the work environment (as measured by average number of accidents per worker, for example) while at the same time the number of total accidents could increase. Because this answer allows both sides to be true and it explains the circumstance in the stimulus, this answer is correct. In Chapter Fifteen we will discuss average versus total numbers, and that will further explain the construction of this question.
Answer choice (C): This would explain an increase in accidents before job safety training, but the issue in the stimulus is an increase after the safety training.
Answer choice (D): This answer further confuses the issue. If the fluctuation was random, that could explain how an increase in accidents could follow safety training. By stating that the increase was not random, a possible cause of the scenario is eliminated.
Answer choice (E): This answer shows that the level of safety was at least minimal prior to the safety training, but this does not help explain why an increase in accidents followed the training.