A researcher trains a little boy to fear a rabbit by making a loud, frightening noise every time the boy approaches the rabbit, or vice versa. This type of learning is known as ______

Barney's mother drank heavily during her pregnancy. Barney has learning disorders and displays some facial abnormalities. Barney is a case of:

a) cerebral palsy. b) autism. c) Down syndrome. d) fetal alcohol syndrome.

If a rat previously learned to press a bar for food, what motivational factor is most likely to cause bar-pressing to occur in the future?

a) sight of the bar b) quality of the food c) number of hours without food d) a light that signals that food is available