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AQA Psychology
Learning
| Term | Definition |
|---|---|
| Learning | a relatively permanent change in behaviour due to experience |
| Classical conditioning | a procedure during which an animal or person learns to associate a reflex response with a new stimulus |
| Classical conditioning schedule | the steps in the procedure to condition a new response |
| Unconditioned stimulus (UCS) | the stimulus that produces a reflex response, such as the food for Pavlov's dog |
| Unconditioned response (UCR) | the reflex response to an unconditioned stimulus, such as Pavlov's dog's salivation |
| Conditioned Stimulus (CS) | a new stimulus presented with the UCS, such as the bell in Pavlov's experiment |
| Conditioned response (CR) | the response that is learnt; it occurs when the CS is presented, such as Pavlov's dog's salivation |
| Extinction | a conditioned response dies out |
| Spontaneous Recovery | a conditioned response that has disappeared suddenly appears again |
| Generalisation | the conditioned response is produced when a similar stimulus to the original conditioned stimulus is presented |
| Discrimination | the conditioned response is only produced when a specific stimulus is presented |
| Operant conditioning | learning due to the consequences of behaviour, through positive and negative reinforcement |
| Law of effect | behaviours that are followed by rewards are usually repeated; those that are punished are not usually repeated |
| Punishment | a stimulus that weakens behaviour because it is unpleasant and we try to avoid it |
| Reinforcement | a consequence of behaviour that encourages or strengthens a behaviour. This might be seen as a reward |
| Positive reinforcement | a reward or pleasant consequence that increases the likelihood that a behaviour or action will be repeated |
| Negative reinforcement | when an unpleasant experience is removed after a behaviour or action has been made. This increases the likelihood of the behaviour or action being repeated |
| Behaviour shaping | changing behaviour in small steps |
| Phobia | a persistent and irrational fear of an object, activity or situation. The typical symptoms are intense feelings of fear and anxiety to avoid the object, activity or situation |
| Flooding | a treatment for phobias that involves the immediate exposure of the person to the feared object, activity or event until there is no fear response |
| Systematic desensitisation | a treatment for phobias in which the person is taught to relax and then is gradually exposed to the feared object, activity, event |
| Hierarchy of fears | a series feared events ranked from least frightening to most frightening |
| Aversion Therapy | a treatment for addictions, such as drug and alcohol dependency, which makes the addict have an extremely negative reaction to the addictive substance |
| Primary reinforcer | a reward, such as food or water, that the animal or person needs in order to survive |
| Secondary reinforcer | a reward, such as money or a token that the animal or person can exchange for a primary reinforcer |