Answer: Mrs. Markle needs to 1st determine if shaping is the most appropriate procedure. If the person as evident in the case of Jake already engages in the target behaviour atleast occasionally their is no need to utilize shaping. She can simply use differential reinforcement to increase the frequency of the target behaviour i.e to ensure Jake completes all five problems on the worksheet every day. Shaping is best used to reinstate a behavioural pattern that a person does not currently exhibit.
Step-by-step explanation: