Which of the following refers to a tendency to avoid others as well as feelings of anxiety, preoccupation, and social inhibition?

States of tension or arousal that arise from a biological need and are unlearned are called _____

a) secondary drives. b) biological primaries. c) optimal levels of arousal. d) primary drives.

Propositions are associated with the theoretical level while hypotheses are associated with the level of

observables. Indicate whether the statement is true or false.