Tiffany enjoys playing with insects such as slugs, but can only find them after it rains. on what kind of reinforcement schedule is tiffany hunting for slugs?

Around the third week of a college class, a professor decides she’s had enough, is tired of dealing with bureaucracies, and wants out. so one day, instead of coming to class, she flies to tahiti and sells souvenirs on the beach. if this happened, the college would simply assign a substitute to finish the course. what does this tell you about the nature of the authority wielded by a professor?