Author Question: A pigeon is presented with a blue key and a red key in alternating order. In the presence of the ... (Read 51 times)

stephzh · **on:** Jun 21, 2018

A pigeon is presented with a blue key and a red key in alternating order. In the presence of the blue key, it earns food on a VI 200-sec schedule. In the presence of the red key, it earns food on a VI 600-sec schedule. The VI 600-sec schedule is then changed to a VI 100-sec schedule. As a result, the rate of response on the VI 200-sec schedule _____, illustrating a _____ contrast effect.

A) decreases; negative
B) increases; negative
C) decreases; positive
D) increases; positive

Question 2

Harry recently got engaged and spends every evening with his fianc. As a result, he finds his college classes during the day less appealing than before. Harry's behavior illustrates a(n) _____.

A) anticipatory contrast effect
B) negative contrast effect
C) positive contrast effect
D) discriminatory contrast effect