Which of the Following Statements About Using Film Clips to Induce

Which of the following statements about using film clips to induce emotions is true?

A) Film clips are effective at altering participants' arousal levels, but have never successfully elicited more specific emotion states
B) Researchers have never thoroughly validated the existing film clip databases, so their effects on participants' emotion states are unclear
C) Film clips have been shown to induce a variety of discrete emotion states, such as amusement, anger, disgust, and sadness
D) Attempts to create validated film clip stimuli sets have revealed that movies are deeply personal and therefore it is not possible to induce consistent emotion states within multiple participants
E) All of the above statements are true