When you use models as presentation aids, you should make sure they are large enough to be seen by all audience members

Characteristics that contribute to individual perceptual differences are

a. body type, physiological and psychological states, and cultural background. b. background, experiences, and where you were raised. c. physical characteristics, psychological state, cultural background, gender, media, perceptual set. d. language, culture, gender and nationality.

"Your visual aids need to be larger" is an example of a constructive comment

Indicate whether the statement is true or false