Answer:
There are four types of partial reinforcement schedules: fixed ratio, variable ratio, fixed interval and variable interval schedules. Fixed ratio schedules occur when a response is reinforced only after a specific number of responses.
Explanation:
Answer:
(x-4)(x-12)
Explanation:
+
Break the expression into groups

Factor out x from x^2 - 4x : 
Factor out -12 from -12x + 48: 
= x(x-4)-12(x-4)
Factor out common term x-4
= (x-4)(x-12)