Question

Wilson reads an article that says students who eat blueberries the morning of a test tend to have higher test scores. The article claims that eating blueberries causes an improvement in test scores.

Which of the following statements is most likely correct about the relationship between eating blueberries and improved test scores?

There is no correlation, but there is a causal relationship.
There is no correlation or causal relationship.
There is a correlation and a causal relationship.
There is a correlation. but there is no causal relationship.
I think its the first one.

Answer 1

Really? Blueberries and test scores have no correlation? But blueberries cause higher test scores?

Answer 2

so the article is wrong? Is it the second one?

Answer 3

" ...eat blueberries the morning of a test tend to have higher ... "
That is CORRELATION, they come together
HOWEVER
That does NOT mean that eating blueberries CAUSES genius !

(it was probably the ice cream that did it :)

Answer 4

Thank you

Answer 5

Yes. The second one is right.

People can say anything, but we must be wise enough to demand proof.

Answer 6

For anyone who comes to this and is wondering what the actual answer is, because they fail to clarify, it is
D) There is a correlation. but there is no causal relationship.
Well, that was the correct one for me, hopefully, this helps :)