Using a correlational design,a researcher found a relationship between the healthiness of one's heart and the amount of fish oil in one's diet.The researcher should conclude that
A) a healthier heart causes one to consume more fish oil.
B) the amount of fish oil in one's diet causes a healthier heart.
C) although a relationship exists,one cannot infer that changes in one variable are causing changes in the other variable.
D) the availability of fish causes changes in both the healthiness of one's heart and the amount of fish oil consumed.
Correct Answer:
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