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SOUND SHADOW

An area that is blocking sound transmission by a non-transmitting object.

SOURCE TRUSTWORTHINESS

The extent to the trustworthiness of a source. See credibility.

SPATIAL DENSITY

the density that is altered by changing the space and not the number of objects.

SPECIAL CHILD

a child with special needs for education and training. They may have learning disabilities, mental retardation or emotional problems.

SPECIFIC FACTOR

the name of a factor in factor analysis that is going to be significant in a single test only.

SPECTATOR EFFECT

This effects how we carry out a task with other people present. If we are confident, the spectators improve performance.

SPEECH AND LANGUAGE ACQUISITION DISORDERS

a wide range of disorders with a reduced ability, failure to acquire speech and to understand language.

SPEECH RECOGNITION SYSTEM

a computer software program that can recognise and respond to human speech. Such programs enable individuals to have a grip

SPERM COMPETITION

the competition between sperm from different males to fertilise the eggs of a female that has mated with more than

SPICY

1. A taste of a highly flavoured food carried through the trigeminal nerve. 2. The primary odour quality seen in

SPINAL ROOT

the junction of a spinal nerve and the spinal cord. It is near the cord, each spinal nerve divides into

SPLANCHNIC NERVE

These are the nerves that serve the abdominal viscera and originate in the ganglia of the sympathetic chain.

SPONTANEOUS DISCHARGE

The firing of nerve impulses with no external stimulus.

SPORT PERSONALITY DEBATE

Sport personality debate is a debate about the role a person's personality plays in deciding to play sport. For more

SPRINT

Acronym for special psychiatric rapid intervention team.

STABILIMETER

an instrument used to measure postural stability and body sway when a person is upright, blindfolded and is asked to

STAGGERED SPONDAIC WORD TEST (SSW)

a test of auditory processing abilities using equally stressed, two syllable words in which the first syllable of one word

STANDARD ERROR OF MEASUREMENT

an error in estimating true scores from observed scores.

STANFORD V KENTUCKY

STANFORD V KENTUCKY is the case that resulted in a 1989 U.S. Supreme Court ruling that it is permissible to

STATE-DEPENDENT BEHAVIOR

These are the actions that are dependent on a person's state of mind.