On a survey, marquel reports that he agrees with wearing a seat belt.
according to the theory of planned behavior, which of the following would be the best predator of whether marquel will wear a seat belt on a given day?

a. he generally agrees that safe driving is important.
b. his best friend, trevor, who is always talking about how important it is to wear a seat belt, is in the car with him.
c. his attitude toward seat belts is not very accessible.
d. marquel believes that it is hard to remember to wear his seat belt.

B. His best friend, Trevor, who is always talking about how important it is to wear a seat belt, is in the car with him.

Explanation:

The theory of planned behavior predicts behavior which people can control under specific conditions. Here, Marquel can control his decision to wear a seat belt. According to social norms, one of the factors affecting planned behavior, is his friend also wearing a seat belt.

Other factors affecting planned behavior are attitudes, intention, norms, the power he believes he needs to put on the seat belt and his actual power to do so.

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