The finding that more than 90 percent of adolescents who attempt suicide know someone who has attempted suicide provides a case for what process in suicidal actions?

Researchers prefer to select participants who accurately represent the larger population that the researchers are interested in. This type of a group is called a _________ sample

a. double-blind b. cross-cultural c. volunteer d. representative

Your dog Hans loves to ride in the car. Whenever anyone picks up a set of keys he races for the door. When your grandmother, who is afraid of dogs, arrives for a visit, Hans is not allowed to ride in the car

By the end of her two-week visit, he has ceased going to the door when the keys come out. However, after a brief vacation away from home, he's back at the door again as soon as he hears the keys. Why? a. Generalization has occurred. b. Grandma produced external inhibition in the dog. c. Spontaneous recovery has occurred. d. Counterconditioning occurred during the vacation.