Japanese students spend _______ less time on their homework during college than they spent on it during high school

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. Counterconditioning occurred during the vacation. c. Spontaneous recovery has occurred. d. Grandma produced external inhibition in the dog.

On average, how many years will children spend losing baby teeth?

a. 5 years b. 7 years c. 8 years d. 10 years