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DEPRESSIVE POSITION

Object relations theory of Melanie Klein where an infant reaches 6 months of age.

DEPTH-ORIENTED BRIEF THERAPY

A brief psychotherapy applying principles of constructive physiotherapy.

DERMATOLOGICAL DISORDER

A disease or disorder of the skin. See psychocutaneous disorder.

DESCRIPTIVE STATISTIC

The numerical index used to describe a feature of data.

DESTRUCTIVE CONFLICT RESOLUTION

Using negative methods to resolve interpersonal disagreements. Compare constructive conflicy resolution.

DETERMINANT

The external or internal condition that causes and event to occur.

DEUTERO- (DEUTER- DEUT-)

The combining form of second or secondary. See colour blindness.

DEVELOPMENTAL READINESS

A person's state of preparedness to do a given task or a grade level.

DEVIATION SCORE

The raw score that is subtracted from the mean.

DIABETIC GASTROPATHY

Stomach disorder due to the effects of diabetes on the autonomic nervous system. See gastric neuropathy.

DIAGNOSTICITY

The value of information gained from an interaction, feedback or event by a person seeking self-knowledge.

DIATHESIS

The inherited susceptibility to diseases and disorders. See genetic predisoposition.

DICHROMATISM

Partial colour blindness where the eye only contains 2 types of cone photopigment.

DIFFERENTIAL APTITUDE TESTS (DAT)

Tests used for educational and vocational counselling of students in grades 7 to 12.

DIFFERENTIATION

1. Sensory discrimination. 2. process of conditioning where desired behaviour is achieved by selective reinforcemnet. 3. Embyology where cells change

DIGIT SYMBOL

A perfromance test on the adult intelligence scale to see how quickly it takes to name the digit associated with

DIMENHYDRINATE

A histamine bought over the counter for motion sickness.

DIPLEGIA

Paralysis on both sides of the body.

DIRECT SUGGESTION

1. Supportive psychotherapy. Where emotional stress is tried to be relieved by reassurance and encouragement. 2. Hypnotherapy. Where a client

DIRECTIVE LEADER

The group leader who guides the group therapy sessions.