Sid wants dealing with his lack of motivation in school, so he enlists his roommate george, who's taking an introductory psychology course, to offer advice. "the problem is all in your brain," george suggests. "you've got an imbalance of chemicals and hormones, which is causing you to feel lackluster and unfocused." which perspective on psychological science is george adopting?
a. learning perspective
b. biological perspective
c. psychoanalytic perspective
d. cognitive perspective