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DISCRIMINANT VALIDITY

Form of construct validity shown by measuring the constructs conceptually unrelated and o not correlate with data.

DISEASE OF ADAPTATION

Any illness that is caused by a long term defective physiological or psychological reaction to stress.

DISJOINT SETS

Used in set theory where no 2 sets have any common elements.

DISORGANIZED SPEECH

Incoherent speech. See metonymic distortion- neologism- paralogia.

DISRUPTIVE BEHAVIOR DISORDER NOT OTHERWISE SPECIFIED

Any pattern of disruptive behaviour that does not have a specific category.

DISTAL

1. Located on the periphery of a body. 2. Remote or distant from the point of origin.

DISTRACTIBILITY

Having difficulty in maintaining attention or being easily diverted away from an activity. See flight of ideas.

DISTURBANCE TERM RESIDUAL TERM, ERROR VARIANCE

The variablity in a score not systematic or controlled and not produced by an independent variable.

DIVIDED ATTENTION

Paying attention to 2 things at once so more tasks can be performed at the same time.

DOLICHOCEPHALIC

Meaning that the haed is narrow and long. See cephalic index.

DOMINANCE AGGRESSION

Form of animal aggression involving one animal having a higher status over the others by the use of threats or

DONG QUAI

A herbal agent derived from Angelica sinensis thjat is a plant native to Chins, Korea and Japan. Used mainly for

DORIDEN

Trade name for glutethimide.

DOUBLE BIND

The situation where a person recieves contradictory messages from one person or from different people.

DOWN THROUGH

Technique used to test clairvoyance where a person is asked to list the zener cards in order from top of

DREAD

1. the intense fear or fearful anticipation. See angst. 2. Psychoanalysis the anxiety from a specific threat.

DRESSING APRAXIA

The inability to dress yourself.

DROPOUT

1. A student who leaves school beofre graduation. 2. Patient who stops treatment before it is completed.

DUAL CAREERS

The home situation where both partners are career orinted and no one stays at home and is the home maker.

DUCHENNE SMILE

A smile that characterised by crow's feet around the eyes and an upturning of lips.