SPEECH-SOUNDS PERCEPTION TEST
test that measures a person's ability to match a spoken nonsense word with its written counterpart.
SPEED TEST
1. A test to work out the number of problems a person can solve in a set period of time.…
SPENCE, KENNETH WARTINBEE
US. Psychologist who was involved with experimental research on learning discrimination in animals. With Clark Hull, he developed a version…
SPERM COMPETITION
the competition between sperm from different males to fertilise the eggs of a female that has mated with more than…
SPERRY, ROGER WOLCOTT
A US psychologist, 1913-1994. He is best known for his research into nerve regeneration theory and the functions of the…
SPHERICAL ABERRATION
the failure of light rays to converge at the same focal point due to curvature of a lens.
SPHERICITY
An assumption in data analysis that when a person is measured on more than one occasion the answers will be…
SPIDER PHOBIA
the persistent and often irrational fear of spiders. It is a specific phobia called arachnophobia.
SPINAL CORD
part of the central nervous system that goes from the lower end of the medulla oblongata, at the base of…
SPINAL CORD DISEASE
any condition that is caused by infection, injury or defect of the spinal cord.