Which of the following is NOT considered one of the common barriers to effective communication?

Most decisions are made under conditions of uncertainty. One implication of this statement is that

a. people delay making decisions. b. people must make assessments of probability in order to make a decision. c. attentional resources become more important. d. decisions are never optimal.

In his early investigations, Pavlov noted that a dry, inedible substance placed in a dog's mouth elicited a

A) ?small amount of slimy saliva. B) ?large amount of slimy saliva. C) ?small amount of watery saliva. D) ?large amount of watery saliva.