Bonobos Have Shown Greater Progress in Language Development Than Any

Multiple Choice

Bonobos have shown greater progress in language development than any of the other apes in previous language-training studies. One possible explanation for their success is that their training

A) began early in life and relied mainly on imitation.
B) used an equal balance of rewards and punishments.
C) used immediate positive reinforcement, based on the theories of Skinner.
D) used classical conditioning, based on the theories of Pavlov.