Answer:
C. Our social expectations influence our own and others’ behaviors.
Step-by-step explanation:
Rosenthal–Jacobson study supported the hypothesis that the expectations of others can influence reality either positively or negatively. This hypothesis is also called called the observer-expectancy effect. A social psychologist would explain the results of Rosenthal and Jacobson's (1968) study, in which erroneous teacher expectations changed the behaviors of their student as "our social expectations influence our own and others’ behaviors".