Molly's mail carrier delivers the mail promptly at noon each day.Molly never checks her mailbox in the morning but always checks it at 12:05 p.m.Molly's mail checking is maintained on which type of schedule?
A)fixed-interval
B)variable interval
C)fixed-ratio
D)variable ratio

Question

Quizplus · Accepted Answer

Molly's behavior of checking her mailbox is fixed to a specific time (noon), which is on a schedule based on a fixed interval (every day). Therefore, the best choice is A) fixed-interval.

Molly's Mail Carrier Delivers the Mail Promptly at Noon Each