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y Bookmarks Window Help courses.aplia.com Customize Your Rounded corner business card - s. Cengage Aplia: . Understanding correlational research Aa AaB Vhich of the following statements are true about inferring that X causes Y? Check all that apply. must occur before Y. High variability among both X and Y is sufficient evidence to imply causation. A high correlation coefficient between X and Y is sufficient evidence to imply causation. A high correlation coefficient between X and Y may exist even if X does not cause Y. A survey was done with over 3,000 people aged 24 to 96. Researchers asked participants how often each week they talked on the phone or visited with fhends, neighbors. and relatives. A relationship was found between social interaction and mental functioning, as measured by a mini-mental evaluation. In considering whether it is appropriate to conclude social contact (00 improves mental functioning (D. which of the following statements are true about the study just described? Check all that apply. The variables have been manipulated. x occurs before Y The observed change in Y occurred because of a change in x and not because a third variable caused a in both X and Y There is a correlation between X and Y. change 013 Cengage Learning escept as noted. All rights reser Save & Continue 4

Explanation / Answer

Answer:

1).

X must occur before y

A high correlation coefficient between x and y may exist even if x does not cause y.

2).

X occurs before Y

There is a correlation between x and y.

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