Psyc 101 Chapters 4,5,6
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What is a Fixed interval?
when the reinforcer is given for the first response that occurs after a fixed time interval has elapsed. Example, a rat is reinforced for the first lever press after a two-minute interval has elapsed and then must wait two minutes before being able to earn the next reinforcement
What is a variable interval?
the reinforcer is given the first response after a variable time interval has elapsed. Example a rat is reinforced for the first 5 lever presses after a 1 minute interval has elapsed, but the following intervals are three minutes, two minutes, four minutes and so on-with an average length of two minutes
What is a fixed ratio?
Fixed ratio provides a set amount of bar presses The organism controls when the reinforcement will occur. Example The organism will rapidly press the bar 5 times then take a quick break before beginning the process of gaining reinforcement again
What is a Variable ratio?
A variable ratio is a schedule that provides reinforcement after a variable amount of responses. Example providing reinforcement in between 5-20 responses, there is not set number to reinforce
Eileen greets her little brother, with "Hey, bro.". This used to make her little brother smile and feel special, but recently she thinks she needs to show him who's boss. So, she'll sneak up behind him and say, "Hey bro, right before punching him in the arm and causing him pain. Now, whenever patrick hears the phrase "Hey, bro," his arm muscle tense up. Identify the following: (1) NS (2) UCS (3) UCR (4) CS (5) CR
- NS="Hey, bro"
- UCS= The punch in the arm
- UCR= Pain
- CS= "Hey, bro"
- CR= Preparing for pain
A type of learning which a stimulus acquires the capacity to evoke a response that was originally evoked by another stimulus is...?
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