Aproaches - Behaviourism Flashcards

(21 cards)

1
Q

Introduction to behaviourism

A

Focuses on observable, measurable behaviour
Environment shapes behaviour
Humans viewed as “blank slates” (tabula rasa)

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2
Q

Classical conditioning overview

A

Learning through association
By Ivan Pavlov (1849-1936)
Noticed dogs salivated before food presented

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3
Q

Pavlov’s Experiment

A

Goal: associate dog food with a bell
NS: Bell (no natural response)
UNC: Food (natural salivation)
Paired bell and food repeatedly
Result: dogs salivated at bell sound alone

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5
Q

Discrimination in classical conditioning

A

Ability to distinguish between similar stimuli
Dogs don’t salivate to very different sounds
Important for appropriate reasons

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6
Q

Extinction and spontaneous recovers

A

Extinction: gradual weakening of conditioned response
Occurs when CS is presented without UCS
Spontaneous recovery: unexpected return of extinguished response

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7
Q

Applications of classical conditioning

A

Treatment of phobias - SD
Advertising and marketing
Education and learning

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8
Q

Introduction to operant conditioning

A

Developed by B.F. Skinner in 1930s
Focuses on how consequences shape behaviour

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9
Q

Operant conditioning

A

Voluntary behaviours affected by consequences
Applies to most everyday behaviours

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10
Q

Limitations of classical conditioning

A

Only applies to involuntary, reflex behaviours
Doesn’t explain all types of learning
Oversimplifies complex human behaviour

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10
Q

Reinforcement and punishment

A

Reinforcement: increases likelihood of behaviour
Punishment: decreases likelihood of behaviour
Both can be positive (adding) or removing (negative)

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11
Q

Positive reinforcement

A

Adding something desirable to increase behaviour
- praise, rewards, good grades
Strengthens the connection between behaviour and positive outcome

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12
Q

Negative reinforcement

A

Removing something unpleasant to increase behaviour
- taking aspirin to remove a headache, fastening seatbelt to stop car beeping

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13
Q

Schedules of reinforcement

A

Continuous: reinforcing every time
Partial: reinforcing some of the time
Partial reinforcement is more resistant to extinction

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14
Q

Types of partial reinforcement

A

Fixed ratio: after a set number of responses
Variable ratio: after an unpredictable number of responses - most resistant to extinction
Fixed interval: after a set amount of time
Variable interval: after an unpredictable amount of time

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15
Q

Skinner box

A

Experimental chamber used by Skinner
Studied animal behaviour (rats, pigeons)
Allowed precise control of reinforcement

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17
Q

Skinner box 2

A

Positive reinforcement: hungry rat placed in Skinner box. Contained a lever and as the rat moved about the box, would accidentally knock the lever. When it did, a food pellet would drop into a container next to the lever. Rats quickly learned to go straight to the lever after a few times in the box.
Negative reinforcement: rat placed in box, subjected to electric shocks, caused it discomfort. As rat moved about the box, accidentally knock the lever. Electric current switched off, rats quickly learned to go straight to the lever after a few times in the box.

18
Q

Generalisation in classical conditioning

A

Conditioned response occurs to similar stimuli
Dogs may salivate to similar bell sounds
Helps apply learned responses to new situations

19
Q

Evaluation: research methods

A

Strengths
Highly scientific- measurement of objective behaviour within highly controlled lab setting
Able to establish cause & effect - give scientific credibility

Weakness:
Based on animals- different to human behaviour
Human behaviour more complex in emotions,consciousness, social behaviour
Difficulty generalising findings of animals to humans
SLT & cognitive highlight importance of mental processes - don’t study animals

20
Q

Evaluation - Little Albert

A

Watson & Raynor:
Paired loud noice which caused fear with white rat when in front of Albert
After multiple pairings, Albert learned to associate white rat with unpleasant noise + show fear when white rat shown.

21
Q

Evaluation: application to real life

A

CC used in treatment of phobias in SD
OC used in schools + prisons through token economy
Improvement lives of those its phobias + behaviour of children + prisoners

22
Q

Evaluation: environmentally deterministic

A
  • All behaviour is caused by external forces; no free will to choose our behaviour
    Removes responsibility for people’s actions
    Humanistic approach argues we have free will - have responsibility for our behaviour- make choices to improve + change