A study indicates that in general the more fruit students eat before a test, the better they do on the test. However, beyond a certain point, the more fruit students eat, the worse they do on the test. Thus, the relation between amount of fruit eaten and test performance is an example of

A curvilinear correlation.

Explanation:

A curvilinear correlation is defined to be a type of relationship between two variables, whereby in a case one of the variable is seen as it increases, so does it apply to the other variable, but this seen to happen to a certain level or time which makes one variable to do decrease while the second variable is on an increase spree. There are other cases where the two variables increase to a certain level and drops and also continue to increase with time. The scenario above is seen to outline with the explained explained variables that have been put to consideration.

answer; exaggerate what you believe is the deception and state it, hoping that the other will jump in to "correct" the statement;

answer; martin seligman;