S

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SELECTION

Play of forces that determines the relative reproductive performance of the various genotypes in a population, especially in regard to

SELECTIVE LEARNING

Understanding how to make just one of various potential reactions or knowing about one stimulus when many stimuli are offered.

SELF AS OBSERVER

Facet of self which clarifies sensory and linguistic input for executive control, specifically, the self as knower (see: nominative self).

S AND M

Abbreviation denoting sadism and masochism. See also: sadomasochism.

SAFE SEX

Practice of sexual functioning wherein the bodily fluids are kept as discrete as possible in order to minimize risks associated

SALIROMANIA

Sexual fetish or paraphilia wherein erotic pleasure is derived from soiling or disheveling the object of desire, especially an attractive

SAMPLING

Method of choosing a restricted quantity of individuals or conditions for involvement in studies, evaluations, or various other analysis. It

SANFILIPPO

Rare autosomal recessive lysosomal storage disease caused by a deficiency in one of the enzymes needed to break down the

SATURATED MODEL

Model which possesses a like number of parameters and possible effects in any pattern which the model may characterize.

SCALE

System of ordered marks at fixed intervals used as a reference standard in measurement. Progressive classification, as of size, amount,

SCATTER

Inclination of data points to deviate from one another. For instance, variance in scores spanning a progression of examinations on

SCHEMA

Mental model of aspects of the world or of the self that is structured in such a way as to

SCHIZOPHRENIC EPISODE

Interval wherein a person displays notable signs and symptoms of schizophrenia, including hallucinations, delusions, disorganized thinking, and disruptions in emotional

SCHOOL AND COLLEGE ABILITY TEST (SCAT)

Educational competence evaluation in three tiers , conducted from grade 3 through grade 12. The evaluation produces a verbal score,

SCIENTIFIC REVOLUTION

Significant alternation in the theoretical structure of a subject of scientific research, as recognized by U.S. philosopher of science Thomas

SCISSORS GAIT

Often observed in individuals suffering from cerebral palsy, a type of walking which involves crossing of the legs while advancing

SCOTOPIC VISION

Dark-adapted vision occurring in dim or low light by employing the retinal rod system. Scene lacks saturation and appears as

SCRIPT THEORY 1

Psychological theory which posits that human behavior largely falls into patterns called "scripts" because they function analogously to the way

SECLUSIVENESS

Inclination to isolation of oneself regarding social contact or relationships with other people. See also: privacy.

SECONDARY EMOTION

Feeling which is not acknowledged or displayed commonly across societies or which requires interpersonal knowledge for its development. For a