Barry has been diagnosed with schizophrenia. his demeanor is unusual compared to most people because he does not show emotional expression when he speaks and he does not appear to have the ability to read others' emotional expressions. these symptoms are also known as

answer; john b watson,(observable behavior);

the answer is:

a. a closed question always has yes or no​ answers, whereas an open question is a​ free-response question.

'migration rates' are measurements of how many people entering or leaving a country. and if more people are leaving, this could cause a population to change.