When Sean wants his mother’s attention, he says “mom”. She d…

When Sean wants his mother’s attention, he says “mom”. She doesn’t always answer him right away, especially if she is busy. Thus, Sean typically says “mom” several times in a row until she does respond. Sean’s mands for attention occur at high rates throughout the day, and are likely on what type of schedule?

Byron takes one of his classmate’s notebooks and rips it. Pr…

Byron takes one of his classmate’s notebooks and rips it. Principal Skinner takes Byron’s skateboard and confiscates it. The same sequence of events happens the next day. Byron’s frequency of ripping notebooks decreases over the next few days. This is an example of: