The answer is A because it is the most explainable answer.
Her shoes keep her warm but I need to see the picture
The answer is FR schedule or fixed ratio schedule. It is a timetable of fortification where a reaction is strengthened simply after a predefined number of reactions. Basically, the subject gives a set number of reactions and after that, the mentor offers a reward. One preferred standpoint of this kind of calendar is that it creates a high, enduring rate of reacting with just a concise delay after the conveyance of the reinforcer.
It is possible to be passed on because of their gentics.
