Schedules of Reinforcement Lesson 15 Schedules of RFT
- Slides: 21
Schedules of Reinforcement Lesson 15
Schedules of RFT Frequency of RFT after response is important n Continuous RFT l RFT after each response l Fast Acquisition l shaping n Partial RFT after only some responses l Conditions set ~ n
Partial Schedule of RFT Do not reinforce every response l Slower acquisition l start CRF shift to partial n Different patterns of RFT produce different patterns of responding l Cumulative response curves l steeper curve higher operant strength l e. g. , higher motivation ~ n
Cumulative Response Curve higher operant strength number of responses lower operant strength Time
Typical RFT Patterns Ratio l RFT after certain number of responses n Interval l RFT after certain time interval n Fixed l Same ratio or interval each time n Variable l Average ratio or interval ~ n
n patterns of RFT are combined Fixed Variable Ratio FR VR Interval FI VI
Schedules produce different response rates n In general… l Ratio > Interval l Variable > Fixed l VR = highest ~
Ratio patterns of response Animal controls RFT l faster responses faster RFT n Fixed Ratio l high ratio (FR 50) hi response rate n upause after each RFT u. Why? l Low ratio (FR 5) lower response rate steady ~
Fixed Ratio Response Patterns FR 50 number of responses FR 5 Time
Variable Ratio RFT after average of X responses n VR 10 = RFT after 7 responses n 21 responses 30 responses l 3 RFTs in 30 responses = 10 avg. n High, steady rate of response l why? n Give an example of humans on VR ~
VR FR 50 number of responses FR 5 Time
Interval Patterns of Response n n RFT when R made after a period of time l Experimenter controls RFT Fixed Interval l e. g. , FI 30 l Scalloping uslower responding after RFT uspeeds up as nears time for RFT Human example? Why? ~ l n
Interval Patterns of Response Variable Interval l RFT for response after avg. of X seconds l e. g. VI 30 l Slow, steady responding n Human example? What if they checked on FI schedule? ~ n
Variable Interval FI number of responses VI Time
Differential Schedules n DRH Differential RFT of high rates of responding High rate RFT l Low rate extinction or punishment l Time limit/deadline n DRL l Differential RFT of low rates of responding l l Set interval between response Early B no RFT, timer reset ~
Differential Schedules Pacing schedules l too slow/fast no RFT, punishment n DRO n u. Differential RFT of Other Behavior RFT of any B other than target B l Used along with punishment n DRI l u. Differential l RFT of Incompatible Behavior RFT of prosocial vs. antisocial ~
Schedule Effects Behavioral contrast l After change in RFT schedule l Positive: lean rich l Negative: rich lean l often temporary n Behavioral momentum l Or behavioral persistence l B continues even when RFT changes ~ n
Partial RFT Effect Maintains behavior over time l Learn more responses required for RFT n Surprising Reinforcers l Attract greater attention l deprivation RFT magnitude n Gradual shift l CRF Partial RFT ~ n
Schedule of RFT & Extinction What if B no SR ? l Behavior weakens l Extinction n Extinction occurs quickly for CRF l Why? ~ n
Schedule of RFT & Extinction CRF l expectation of RFT every time n Partial resistant to extinction l RFT not expected every time n Variable more resistant than fixed l fixed = expectation of regular RFT ~ n
Partial RFT Extinction Effect PREE l Why more resistant to extinction? n Discrimination Hypothesis l May not immediately notice when no longer RFT n Frustration Theory l Learn to respond while frustrated l RFT for responding while frustrated ~ n
- Partial schedule of reinforcement
- Difference between operant and classical conditioning
- Example of fixed ratio schedule
- Types of reinforcement schedules
- In tolman's maze-running rats experiment
- Differential reinforcement of diminishing rates example
- Radical conditioning
- Fixed ratio reinforcement
- Different types of reinforcement schedules
- Classical and operant conditioning are forms of
- Schedules of reinforcement
- Fixed ratio psychology definition
- Continuous reinforcement schedule
- Variable interval psychology definition
- Fixed ratio graph
- Rft normal values
- Normal bilirubin
- Relational frame theory uitleg
- Rft therapie
- What is rft
- Primary vs secondary reinforcers
- Creating production possibilities schedules and curves