The maxim of quality holds that communication must be unambiguous

The four nonverbal signs of involvement in a conversation are immediacy, composure, engagement, and _____.

a. expressiveness b. coordination c. motivation d. responsiveness

The extent to which sample data reflect the wider population from which the sample was drawn can be estimated using which one of the following?

a. unilateral statistics b. descriptive statistics c. inferential statistics d. essential statistics e. differential statistics