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Wada test

n. A test for determining the separate functioning of the two cerebral hemispheres in which a dru...

Walden Two

n. Title of a novel by Burrhus F. Skinner in which a managing elite control the contingencies of ...

Wallerian degeneration

n. The disintegration of a nerve fiber after destruction of an axon segment downstream away from ...

water-jar problem

n. Any of a large set of problems asking how to obtain a specific amount of water from three or m...

Watsonian

adj. Of or relating to the theories of James B. Watson, who was an early advocate of the behavior...

wavelength

n. The distance between peaks of successive waves measured in the direction of propagation in any...

Weber-Fechner law

n. The idea that to increase a subjective perception of a stimulus a fi xed amount, the absolute ...

Weber fraction

n. The ratio of a just noticeable difference (JND) between two stimuli to the intensity of one of...

Weber's law

n. The idea that there is a constant relationship between the intensity of a stimulus and the amo...

Wechsler Adult Intelligence Scale

n. (WAIS) A general battery of intelligence or ability tests first derived from the U.S. Army gen...

Wechsler-Bellevue scale

n. An intelligence test battery devised by David Wechsler using U.S. Army Alpha and Beta tests as...

Wechsler Individual Achievement Test

n. (WIAT) An omnibus measure of educational achievement for children aged 4 to 19 which is intend...

Wechsler Intelligence Scale for Children

n. (WISC, WISC III) A set of tests for children from ages 6 to 16, devised to predict general cap...

Wechsler Intelligence Tests

n. Any of several measures of intelligence developed originally by David Wechsler and subsequentl...

Wechsler Memory Scale

n. A collection of memory tests intended to assess memory in persons over the age of 16 for compa...

Wechsler Preschool and Primary Scale of Intelligence

n. (WPPSI) An intelligence test for children between the ages of 30 months and 7 years, 3 months ...

Weltanschauung

n. A worldview or general understanding of the universe and the place of humans in the world. Thi...

Wernicke-Korsakoff syndrome

n. A chronic debilitation with lesions in the brain due to thiamine deficiency, usually occasione...

Wernicke's aphasia

n. Language disorder characterized by fluent speech, paraphasias (wrongly produced words), and la...

Wernicke's area

n. Wernicke's area coresponds to the auditory association area involved in language recognition, ...

Wernicke's encephalopathy

n. A chronic debilitation from lesions in the brain due to thiamine deficiency, usually occasione...

Werther syndrome

n. Suicide following the example of the suicide of a public figure which tends to occur in a clus...

white matter

n. The off-white tissue of the brain and spinal cord which is given its hue by the myelin sheaths...

white noise

n. Sound composed of a random mixture of all frequencies within a range.

Whitten effect

n. The synchronization of the estrus cycle of females living in a group which typically occurs on...

whole object

n. In Kleinian analysis, the mother or another person or object which serves to satisfy the sexua...

whole report technique

n. An experimental procedure in which a subject attempts to recall all of the parts of a presente...

whole-word method

n. A method of teaching children to read in which they are encouraged to recognize words instead ...

Whorfian hypothesis

n. The idea that the ways people perceive the world and think is determined by their language(s);...

Wilcoxon matched pairs test

n. A nonparametric test of the similarity of two distributions in which the differences between p...

Wilcoxon rank-sum test

n. A nonparametric test of the similarity of two distributions in which the absolute difference b...

wild boy of Aveyron

n. A boy of about 8–12 years of age who had been living without human contact until discovered by...

Williams syndrome

n. A rare genetic defect of chromosome 7 which leads to a deficit in the production of elastin, a...

willpower

n. A hypothetical mental force which allows a person to overcome temptation and moral laxity and ...

windigo

n. 1. A predator that prefers human prey in Algonquin mythology. 2. A culture-bound mental disord...

win-shift, lose-stay strategy

n. The inferred strategy of subjects in twochoice gaming situations in which they change their ch...

win-stay, lose-change strategy

n. The inferred strategy of subjects in twochoice gaming situations in which they keep making the...

WISC

 ▶ See WECHSLER INTELLIGENCE SCALE FOR CHILDREN

Wisconsin Card Sorting test

n. A test of problem solving and ability to alter one's mental set, using 128 cards with geometri...

Wisconsin General Test Apparatus

n. An experimental device for testing monkey learning and perception, which consists of a present...

wish fulfillment

n. In psychoanalysis, the satisfaction, usually in a dream or fantasy, of an unconscious desire d...

withdrawal effect

n. Any experienced discomfort or bodily imbalance which results from the sudden absence of a drug...

withdrawal symptom

n. Any experienced discomfort or bodily imbalance which results from the sudden absence of a drug...

within-group variance

n. The differences on a dependent variable among members of a group seen as identical or given id...

within-subject comparison

n. A contrasting of performance on the same measure by an individual on different occasions, usua...

within-subjects design

n. An experimental plan in which the performance of the same subjects is contrasted across differ...

Wolffian duct

n. Either of a pair of small passageways in the developing embryo which will turn into male gonad...

word-association test

n. Any of numerous measures of personality, pathology, and mental deficiency in which a subject i...

word blindness

n. A colloquial term for alexia or inability to read or recognize words.

word-building test

n. A task employed in studies of cognition in which a subject is given a set of letters and asked...

word completion task

n. An experimental chore in which subjects are given a cue such as cl and asked to supply the mis...

word deafness

n. Neuropsychological syndrome characterized by severe difficulties in understanding spoken langu...

word-form dyslexia

n. A form of learning disability in which the individual is not able to recognize whole words but...

word fragment completion

n. An experimental task in which subjects are given a cue such as cl from a previously learned wo...

word salad

n. A collection of spoken words without any apparent meaning or coherent order, often uttered by ...

word-stem completion task

n. An experimental task in which subjects are given a cue such as cl from a previously learned wo...

word superiority effect

n. The faster recognition of letters when presented as part of a word than when presented alone. ...

work group

n. Any group of three or more persons whose primary reason for meeting is to complete a task or s...

working hypothesis

n. A formalized tentative theory or proposition subject to further testing and revision.

working memory

n. Working memory refers to the temporary storage of information that is currently being used in ...

working self-concept

n. The self as experienced by the individual in a given moment of time, thus acknowledging the va...

working through

n. In psychotherapy, the process of remembering, analyzing and coming to emotional terms with a m...

work psychology

n. A general term for occupational, industrial, and organizational psychology, as well as ergonom...

worldview

▶ See CULTURAL WORLDVIEW

WPPSI

▶ See WECHSLER PRESCHOOL AND PRIMARY SCALE OF INTELLIGENCE

writing disorder

n. Any sensory, motor, or cognitive problem that prevents a person from learning to express langu...

Würzburg school

n. A point of view in psychology from 1894 until 1915 which was developed in Würzburg, Germany, b...