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S AND M

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

Abbreviation denoting sadism and masochism. See also: sadomasochism.

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S FACTOR

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

Abbreviated designation for a specific or special factor which has been established using factor analysis in abilities testing; a specific test helps determine which particular factor is needed to achieve favorable completion within a rated skill set.

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S SLEEP

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

Recurrent period of deep sleep distinguished by the presence of slow brain waves and by very little dreaming. Compare with: D sleep.

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S-ADENOSYLMETHIONINE (SAM)

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

Nutritional supplement marketed under the Gumbaral, Samyr, Adomet, Heptral and Admethionine brand names as a prescription drug approved in Russia, Italy, and Germany. Preliminary research suggests SAM may have therapeutic potential in treating Alzheimer's patients and a recent study using a mouse model of Alzheimer's found that supplementary SAM prevented oxidative damage and cognitive impairment.

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S-O-R

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

Shortened form of stimulus-organism-response. This emphasises the role of the organism and its drive and characteristics. The model is applied to learning and perception. See SOR psychology; dynamic psychology. Compare SR learning model; SR psychology.

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S-O-R PSYCHOLOGY

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

S-O-R psychology is the abbreviation for stimulus-organism-response psychology. It deals with how an organism will respond to a stimulus. The O factors in this abbreviation could be biological or psychological.

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S-R LEARNING MODEL

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

a hypothesis that says learning leads to forming stimulus-response connections and is used in Pavlovian conditioning. In instrumental conditioning, the link is between the discriminative stimulus and the response

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S-R PSYCHOLOGY

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

the approach to psychology that conceptualizes behaviour in terms of stimulus and response. The fundamental goal is describing functional relationships between stimulus and response. S-R theories are behavioural and not cognitive.

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S-R-O LEARNING MODEL

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

a hypothesis that says associations are acquired between a discriminative stimulus and an instrumental response and the outcome. In psychology, commonly it is known as S-R-O learning model.

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S-S LEARNING MODEL

Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

a stimulus-stimulus learning model that uses cognitive skills to form associations between stimuli. roi- man

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