Answer:
This is related to the principles of Psychologists should focus on observable behaviors only
Explanation:
Operant conditioning is a system of learning that happens through rewards and punishments for behaviour. During operant conditioning, an individual makes an encounter or association between a particular behaviour and a consequence or opposite outcome (Skinner, 1938).
B aptitude because that would be the most of a persons personality
Answer:
Cold as snow is the answer
Hi sorry I can't help you since there are no underlined words.