Final answer:
Mrs. Oddi's salary paycheck every 2 weeks represents a fixed interval reinforcement schedule, which is predictable and based on a set amount of time between reinforcements.
Step-by-step explanation:
The schedule of reinforcement being used in Mrs. Oddi's scenario, where she receives a salary paycheck every 2 weeks, is a fixed interval reinforcement schedule. This schedule is based on a set amount of time between reinforcements.
Since Mrs. Oddi's paychecks are delivered on a predictable, two-week basis, this qualifies as a fixed interval schedule. She knows exactly when to expect the reinforcement (paycheck), which typically triggers a pattern of response that leads to a brief increase in behavior as the time for reinforcement approaches.