It increases reading comprehension. Reader’s Theater is about reading with expression. The performer is supposed to convey meaning to the audience. The text should come alive for them. In order for that to happen, the reader needs to comprehend the text.
It can increase vocabulary. Some scripts have some challenging words that are beneficial for children to learn.
It’s a motivating factor. When a child has a purpose for reading, in this case a performance, he is more motivated to read.
It encourages children to work together. The children must pay attention to each other in order to give a good performance. When they speak unison parts, they need to be in sync with each other also.
Reader’s Theater improves speaking and listening skills. Each child must enunciate clearly and project his voice in order to be heard. He also needs to listen carefully to the other performer(s) so that he can come in on cue.