Summaries and previews are two different types of transitions and cannot be used together.

If a speaker displays overhead transparencies,

a. the room should be completely dark so the audience isn't distracted. b. the room should be light enough so audience members can see the transparencies and the speaker clearly. c. the speaker should be prepared to read notes in the dark unobtrusively. d. the projector should be placed in the darkest corner of the room. e. the projector should be placed in the brightest corner of the room.

The tendency to view one's own group as the standard against which all other groups are judged is known as __________

a. prejudice b. ethnocentrism c. racism d. insensitivity