Harrison sends an e-mail to his boss. Harrison expects a response within five minutes, but he can’t help himself and checks ever
y 30 seconds. After five minutes, a replying e-mail is delivered just as he expected. Which of the following statements is true? A. Harrison is on a fixed-interval schedule of reinforcement. B. Harrison is on a variable-interval schedule of reinforcement. C. Harrison is on a fixed-ratio schedule of reinforcement. D. Harrison is on a variable-ratio schedule of reinforcement.
Topic The topic is the general subject of a paragraph or essay. Topics are simple and are described with just a word or a phrase. Main Idea The main idea is a complete sentence; it includes the topic and what the author wants to say about it.