Critical Reasoning (CR) | Re: A survey of a group of people between the ages of 75 and 80 found that

Understanding the argument - ­
A survey of a group of people between the ages of 75 and 80 found that those who regularly played the card game bridge tended to have better short-term memory than those who did not play bridge. - Correlation. 
It was originally concluded from this that playing bridge can help older people to retain and develop their memory. - Hypothesis 1. Some cause-and-effect relationships. 
However, it may well be that bridge is simply a more enjoyable game for people who already have good short-term memory and who are thus more inclined to play. - Conclusion. Alternate Hypothesis. Opposite cause and effect. 

In countering the original conclusion the reasoning above uses which one of the following techniques?

(A) challenging the representativeness of the sample surveyed - No.

(B) conceding the suggested relationship between playing bridge and short-term memory, but questioning whether any conclusion about appropriate therapy can be drawn - No. 

(C) arguing that
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Statistics : Posted by Raman109 • on 12 Feb 2020, 02:56 • Replies 2 • Views 4710

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