Pavlov and watson underestimated the impact of biological constraints on classical conditioning and they underestimated the impact of cognitive processes on classical conditioning. Read below about classical conditioning.
A classical conditioning is a learning process that occurs when two stimuli are repeatedly paired: a response which is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.
Therefore, the correct answers are underestimated and underestimated respectively.
learn more about classical conditioning: https://brainly.com/question/17583598
#SPJ12