Classical conditioning and operant conditioning are two types of learning

__________ improves steadily, reaching 20/80 by 6 months and an adult level of about 20/20 by 4 years

A) Contrast sensitivity B) Visual acuity C) Depth perception D) Pattern perception

Children whose parents address their escalating oppositional behaviors with increasingly punitive responses are more likely over time to engage in problem behaviors in school and other settings. This is one of the tenets of which model?

a. coercion b. developmental cascade c. interactive d. negative reinforcement