Which of the following statements is an observation?
a. drivers like getting to places quickly because it gives them a sense of control.
b. traffic signals should be timed to lessen traffic density.
c. drivers that speed will receive more traffic citations than other motorists during holidays.
d. motorists report enjoying driving during periods of low traffic density.

The correct answer is d. Motorists report enjoying driving during periods of low traffic density.

Explanation:

Observing is a way to collect data in a research field. In this case, the option a. is showing the reason why drivers like to go quickly to a place. In option b. is just a piece of advice. The option c. is presenting a prediction. So, the d. the option is the one that is showing an observation.