Sensation III and Operant Conditioning Flashcards
what is thorndikes law of effect
behaviours that are followed by a pleasing outcome want to be repeated
what is operant conditioning?
learning depends on the behaviours of organism and the consequences of the behavior (classical is stimulus causes response independent of reward).
what is reinforcement?
outcome that increases the strength of a response (positive add something good negative take something away)
what is punishment
outcome that decreases strength of a response. (positive add a punishment, negative take away something good)
which is better for training reinforcement or punishment??
reinforcement punishment is ambiguous in what you did wrong and you’re working to avoid punishment not do something good
what are some familiar principles of operant condition from classical?
extinction (dont give them reward response goes down) spontaneous recovery (re emergence of action) generalisation/discrimination (response to similar stimuli)
what is acquisition?
incrementally associating a behavior with an outcome (behavior then reward like in classical is better)
what are the types of reinforcement?
continuous - every time you do something good we reward you
partial - only sometimes you do the right action you are rewarded
What does humphreys paradox show
continuous reinforcement for faster learning
partial has more robust or harder to extinguish learning
because of predictability and association
what are the types of partial reinforcement?
interval schedule - get reward within interval if you do action (facebook)
ratio schedule - get reward every x amount of correct actions (cafe)
whats the difference between fixed and variable schedules?
fixed is the reward being provided regularly
variable is a random timing of the reward after action(slots)
how to they response over time?
variable ratio steepest
fixed has a plato between
variable linear but not as steep as variable ratio
fixed interval is crescent and linear
variable more steady fixed more erratic graph
how do you shape animal training?
reward on action close to desired response and then hone in on it. then chain the simple behaviours together
why does anxiety occur? (fear)
we try to avoid negative stimulus by running from it. making it worse because it made us feel better
what is superstition and irrational behavior
bird saw wing flap before food given started flapping in anticipation (superstition)
caused by both negative and positive reinforcement