Respuesta :
D. Is the answer your looking for it basically means that it's inconsistent not keeping up like when it says they worked more for ten minutes it didn't keep up meaning inconsistent if they would have worked hard the whole 1 hour and 30 minutes it would have been consistent c. But they only worked harder for ten minutes and stopped when she showed up.
The workers type of reinforcement schedule is a FIXED-INTERVAL SCHEDULE
FIXED-INTERVAL SCHEDULE is a type of reinforcement schedule that constantly rewards a person or group of people at a fixed interval.
With FIXED-INTERVAL SCHEDULE such person or group of people tend to have Decrease in Productivity after reinforcement has be done by the reinforcer and only begin to increase their productivity when the time for reinforcement is near by. Example a person or an individual may not often tidy up his or her room but only tidy it up when he or she knows that the room will be inspect by his guardian or parents because he or she will be rewarded or reinforce when the room is well tidy up when inspected.
Therefore the workers type of reinforcement schedule is a FIXED-INTERVAL SCHEDULE.
Learn more about Fixed-Interval Schedule here:
https://brainly.com/question/13811123