Barnie, age eight, is a bully. He fights to get others to pay their allowances to him. This exemplifies
a. instrumental aggression.
b. hostile aggression.
c. inhibitory control.
d. negative reinforcement.
Question 2
Austin Riesen's studies with long-term dark-rearing of chimpanzees showed that
a. darkness improved their eyes' sensitivity to dim lights.
b. vision degenerated when early experience was abnormal.
c. vision developed normally despite the dark-rearing.
d. they developed psychic powers when blinded by darkness.