DEREISTIC THINKING

Mental activity which is not in accord with reality, experience and logic.Daydreams frequently fall into this category, but the most striking examples are found...

DOMINANCE RELATIONSHIP

A pattern of social organization in which some individuals assert a higher rank than others.Dominance relationships are frequently observed in animals as well as...

DESCARTES, RENE (1596-1650)

Though primarily a philosopher and mathematician, Descartes nevertheless had a profound influence on the development of psychology. Bom in La Hague, he attended a...

DESCRIPTIVE PSYCHIATRY

A systematic approach to psychiatry based upon the observation, study, and classification of directly observable symptoms and clinical patterns. It contrasts with the dynamic...

DETECTION THEORY

An explanation of the way signals are perceived against a background of noise.The psychological study of signal detection is an extension of work performed...

DETERIORATION (Mental Deterioration)

In psychiatry, deterioration denotes a progressive impairment or decline of intellectual and personality functions such as memory, reasoning, concentration, communication, and emotional response.The deteriorated...

DEVELOPMENTAL TASKS

The basic tasks which must be mastered at each stage of life if the individual is to achieve normal development and healthy adjustment. Failure...

DEWEY, JOHN (1859-1952)

Dewey, who was to become pre-eminent in three fields—philosophy,and education—was bom in Vermont, and graduated from the state university at the age of twenty....

DIABETIC REACTIONS

The weakness, excessive thirst, loss of weight, and other symptoms characterizing diabetes mellitus are due to low sugar metabolism resulting from a deficiency of...

DIAGNOSTIC TESTS IN EDUCATION

In contrast to achievement tests, diagnostic tests are designed to analyze individual performance and identify special disabilities. Most of these tests are concerned with...

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