Psychological research indicates that college hockey and football players are more quickly moved to hostility and aggression than are college athletes in no contact sports such as swimming. But the researchers’ conclusion – that contact sports encourage and teach participants to be hostile and aggressive – is untenable. The football and hockey players were probably more hostile and aggressive to start with than the swimmers.
Which of the following, if true, would most strengthen the conclusion drawn by the psychological researchers?

Question

Examsnet · Accepted Answer

Correct Answer is :  The football and hockey players became more hostile and aggressive during the season and remained so during the off-season, whereas there was no increase in aggressiveness among the swimmers.

GMAT Verbal Reasoning Practice Test 3