What is a schedule of reinforcement

A)  a description of whether positive or negative reinforcement is in use 
B)  a specific pattern of presentation of reinforcers over time 
C)  a pattern of resistance to extinction 
D)  the reinforcement of closer and closer approximation of a desired response

Reinforcement Schedules

In operant conditioning, the rule that is used to determine when and how frequently an action should be reinforced.

Positive Reinforcement

A technique used in behavior modification that increases the likelihood of a behavior by associating it with a positive outcome or reward.

Negative Reinforcement

A behavioral principle where a response is strengthened by the removal or avoidance of an unpleasant stimulus.