Why did cattell aim just to study the personality of normal people?

Ashort story about human cruelty is adapted for dramatic radio broadcast. what choice might the broadcast's producer make to present the theme effectively? a. play suspenseful music when a character is acting cruelly o b. have an actor step out of character to deliver a moral to the audience o c. insult the audience throughout the broadcast o d. have the actors share memories of times when they were cruel