Students were divided into two groups. in one group students were ignored when they talked without raising their hands. in the other group students were attended to in the teacher's usual manner. the independent variable in this experiment was

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