ABA-503 Exam 2
Stimulus intensity which no response is elicited and above which a response always occurs.
Elicits a response 50% of the time. "Uncertainty point" - ANS-Law of the Threshold
As the intensity of the US increases, the magnitude of the UR increases. - ANS-Law of Intensity-
Magnitude
As the intensity of the US increases, the latency to the appearance of the elicited UR
decreases. - ANS-Law of Latency
(As an operation) The delivery of consequences when a response occurs. - ANS-Reinforcement
(As a process) The increase in responding that results from the reinforcement. -
ANS-Reinforcement
Reinforcement isn't same from behavior to behavior or person to person. - ANS-Important Note
About Reinforcement
Momentary (Doesn't last forever). Always has two effects: Value Altering Effect and Behavior
Altering Effect. - ANS-Motivation Operations
Establishing Operations (EO) and Abolishing Operations (AO) - ANS-What are two types of
MO's?
You are extremely hungry, and haven't had a steak in weeks, maybe months. The steak
becomes an EO and increases the value of the steak and the current level of behavior. As you
eat the steak, the stimuli becomes an AO and the value and current level of behavior
decreases. - ANS-Example of EO to AO
1. Reinforcers are context specific. (MO, EO, AO)
2. Reinforcers cannot be defined independently of responses. (Premack Principle) - ANS-How is
reinforcement relative?
A less probable response can be reinforced by the opportunity to engage in a more probable
response. Example: "You can't have ice cream until you have broccoli." - ANS-Premack
Principle
Positive reinforcement is when the consequence is the presentation of some stimulus or event,
whereas negative reinforcement is when the consequence is the removal or prevention of some
stimulus or event. - ANS-What is the difference between positive and negative reinforcement?
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