This scientific guideline says that ‘words often have multiple or unclear meanings…[They] can mean different things to different people.” Therefore, they should be defined explicitly and used consistently.

Which of the follow statements about drinking alcohol and driving is true

"magic" mushrooms have effects similar to those of a. lsd b. pcp c. ketamine d. none of the above

Question #22 when you approach an intersection with a green traffic light, you should choose an a. approach at a speed that will allow you to stop if the light changes. b. be ready to speed up if the light turns yellow. c. always slow down by a few miles per hour, in case you need to stop.