In a laboratory experiment on the impact of cell phone conversations on driving, drivers missed _____ red lights when talking on the phone as when not talking on the phone.
A) about as many
B) twice as many
C) three times as many
D) five times as many
Question 2
Which of the following statements about human behavior is best tested using a correlational research design?
a. People who drink alcohol more frequently are also less likely to practice safe sex.
b. A decrease in daily temperature can cause a decrease in mood.
c. Children frequently talk to themselves even when they are playing with other children.
d. Good grades are caused by sitting in front of the class.