U.S. culture is strongly

PowerPoint is a widely-used software for presentation aids that ________

A) requires competent knowledge of the technology B) has been overused and misused C) should be used for speeches longer than thirty minutes D) all of the above

Cognitive dissonance is the sense of mental discomfort a person experiences when new information conflicts with that person's attitudes, beliefs, values, or behavior

Indicate whether the statement is true or false