the behavioural approach or everything opposed to freud
TRANSCRIPT
THE BEHAVIOURAL APPROACH
Or
Everything opposed to
Freud
JB Watson (1878-1958)‘Father of Behaviourism’
“Give me a dozen healthy infants, I’ll guarantee to take any one at random and train him to become a doctor, lawyer, artist, beggar or
thief”
THE ROLE OF THE ENVIRONMENT
Tabula Rasa
Environmental determinism
THE IMPORTANCE OF OBSERVABLE EVENTS IN RESEARCH This approach is primarily concerned with
observable behaviour (measurable behaviour)
Stimulus-Response relationships.
E.g.: you burn your hand on a stove, and therefore do not touch the stove again.
Classical Conditioning
CLASSICAL CONDITIONING
This is learning through ASSOCIATION
To remember this think ASS!
…clASSical conditioning
…ASSociation
Neutral Stimulus(NS)
No response
Unconditioned Stimulus
(UCS)
Unconditioned
Response (UCR)
Conditioned Stimulus
(CS)
Conditioned
Response (CR)
Conditioning
LITTLE ALBERT
http://www.youtube.com/watch?v=0FKZAYt77ZM
Complete the table on pg 8, explaining the process of the Classical Conditioning of Little Albert.
Include these terms: rat, striking hammer, fear,
unconditioned stimulus (UCS), unconditioned response (UCR), conditioned response (CR),conditioned stimulus (CS), neutral stimulus (NS).
Work it out....
A child is afraid of spiders. One day he is in a lift and notices a spider. Now he is afraid of lifts.Neutral stimulus
(NS)?
Unconditioned stimulus (UCS)?
Unconditioned response (UCR)?
Conditioned stimulus (CS)?
Conditioned response(CR)?
And another, try this one on your own
Many years ago, as a child, Rick used to visit a dentist who thought that anaesthetic was just for sissies. The dentist had a grandfather clock in the waiting room. Years later, Rick still feels uneasy and a little anxious whenever he hears the tick of a grandfather clock.
Suggest the NS, UCS, CS, UCR and CR in this scenario.
Operant Conditioning
OPERANT CONDITIONING
Operant conditioning is learning through consequence
It focuses on reward and punishment.
RatatouilleRatatouille is hungry and perform various exploratory behaviours
By chance he presses the lever
A pellet of food appears!
I’ll do that
again
Some definitions....
Reinforcement : Anything which has the effect of increasing the likelihood of the behaviour being repeated
Positive reinforcement :
Anything which has the effect of increasing the likelihood of the behaviour being repeated by using consequences that are pleasant when they happen i.e. food for Ratatouille
Negative reinforcement :
Anything which has the effect of increasing the likelihood of the behaviour being repeated by using consequences that are pleasant when they stop
Punishment : Anything unpleasant which has the effect of decreasing the likelihood of any behaviour which is not the desired behaviour.
Schedules of reinforcement
When and how often we reinforce a behaviour can have a significant impact on the strength and rate of the response.
2 types of schedules Continuous reinforcement: the
desired behaviour is reinforced every single time it occurs.
Partial reinforcement: the response is reinforced only part of the time.
http://www.youtube.com/watch?v=vGazyH6fQQ4
Obsessive Compulsive Disorder
How can Operant
Conditioning be used to explain OCD?
Starter…
Many years ago, as a child, Rick used to visit a dentist who thought that anaesthetic was just for sissies. The dentist had a grandfather clock in the waiting room. Years later, Rick still feels uneasy and a little anxious whenever he hears the tick of a grandfather clock.
Suggest the UCS, CS, UCR and CR in this scenario.
Social learning
Learning by andobservation imitation
http://www.youtube.com/watch?v=ikTxfIDYx6Q
Social Learning
Learning by observation… People observe the behaviour
of other people (models)
… They may imitate the behaviour they observe
… Whether or not they do so depends on the observed consequences: Vicarious reinforcement
Vicarious punishment
Vicarious…what???
Observe how behaviour is
reinforced in other people
Modelling(Copying the behaviour of others
- ‘role models’)
For modelling to occur, there must be:-Attention (noticing the
behaviour)Retention (remembering the
behaviour)
Motor Reproduction (it has to be physically possible)
Motivation (there has to be a reason to want to copy the role-model)
Albert Bandura
The Bobo Doll
Experiments
(1960’s)http://www.youtube.com/watch?v=hHHdovKHDNU&feature=related
a) Aggression Rewarded
(VICARIOUS REINFORCEMENT)
Variations on the Bobo Doll Experiment
Result: Rewarded adult is MOST likely to be copied Punished adult LEAST likely to be copied
b)Aggression Punished (VICARIOUS PUNISHMENT)
c) Adult neither rewarded or punished (No reinforcement)
Bandura’s ideas could be used to explain eating disorders, obsessive compulsions and anxiety.
How?
Evaluation of Behavioural Approach
Over to you…
10 minutes
Read through Limitations section on page 189.
Summarise the strengths and weaknesses of the behavioural approach.
Use short sentences (bullet points)
You need to identify at least 3 weaknesses and 2 strengths.
Write these in the evaluation box on pg 11 of your booklet
‘Preparedness’ Seligman (1971)
Evolutionary history has prepared us to be sensitive to certain stimuli, such as dangerous animals and situations.
Even today, we have not shaken this off.
… E.g. Ohman et al (2000)
… Participants could be conditioned to fear pictures of spiders, but they could not be conditioned to fear pictures of flowers.