Gaze-cuing occurs only in humans

Which is true of the ratings systems?

a. Ethnic groups are well represented. b. Only active viewers or listeners are counted. c. Sample sizes tend to be small. d. All of the measures in use are considered to be reliable.

Turn requesting includes all of the following nonverbal cues, except ______.

a. increased vocal volume b. leaning forward c. raised index finger d. simultaneous speech