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SKIN GRAFT

piece of skin taken from one part of our body to cover a damaged section.

SLEEP EPILEPSY

1. Epilepsy where seizures occur mostly during sleep. 2. Former name of narcolepsy.

SLEEP-ONSET INSOMNIA

when a person has trouble going to sleep. Also called onset insomnia. See insomnia; primary insomnia.

SMALLEST SPACE ANALYSIS (SSA)

A multivariate technique for analysing matrix data.

SMOOTH-PURSUIT MOVEMENT

eye movement used when we are following a moving object. Compare cascade.

SOCIAL AGENCY

These are the agencies that provide health, welfare and rehabilitation services. The aim is to improve quality of life.

SOCIAL CLOCK

this is the set of norms that govern the ages at which certain events happen, like starting school, getting married,

SOCIAL DENSITY

1. The density in an area in terms of the number of people. 2. The number of interpersonal reactions that

SOCIAL ECOLOGY

study of non-human organisms in relation to their own social environment. See ecological studies; ecology; human ecology; urban ecology.

SOCIAL INFLUENCE

an influence by a group in a social situation that has an influence on a person's behaviour. Social influence is

SOCIAL LEARNING

learning through social interaction with other people. There is social enhancement, social facilitation, emulation and imitation.

SOCIAL ORGANISM

a social group that is dynamic and has its own entity.

SOCIAL REALITY

the attitudes, beliefs and opinions that are held by the members of a society or a group.

SOCIAL SELF

1. The aspects of the self that are important to social relations. 2. A person's characteristic behaviour in social situations.

SOCIAL THERAPY

the therapeutic and rehabilitive approaches that use the social structure to improve the interpersonal functioning of people.

SOCIALIZED DRIVE

drive that has been modified through social learning to achieve satisfaction.

SOCIOCULTURAL PERSPECTIVE

1. A viewpoint to mental health and health, politics, history and other areas of human experience that emphasises the environmental

SOCIOMETER THEORY

theory stating that self-esteem is important as it is a measure of social appeal. High self-esteem will promote a person's

SOCRATIC EFFECT

An expression of a belief tends to make a greater logical consistency in belief structures.

SOLOMON FOUR-GROUP DESIGN

an experimental design that is used to assess the effect of a pretested magnitude of treatment. [Richard L. Solomon (1919-1992),