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 predictor of whether Marquel will wear a...

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 predictor 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.