You can keep your audience from tuning out by making sure your speech has a good balance between new information and supporting material

The act of conversation is simple to understand

Indicate whether this statement is true or false.

Physiological barriers reduce our abilities to listen by

a. reducing our ability to sense or hear a message. b. blocking our ability to assess reactions to information. c. scrambling information so that information is not in order. d. acting as filters so that only pieces of information are received.