D

n23

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.

DISCHARGE RATE

The ratio of patients sent home during a set period of time from a hospital.

DISCOVERY METHOD

A teaching method where students bexperience the processby way of experiments and reasoning.

DISCRIMINATED OPERANT

An operant under stimulus control where response is more likely to occur with a discriminative stimulus is present tahn when

DISEASE PHOBIA

The persistent and irrational fear of a disease. Also called pathophobia.

DISJUNCTIVE CONCEPT

A concept based onthe set of attributes that are not needed in every instance. Compare conjunctive concept. See family resemblance.

DISORIENTATION

The impaired ability to identify yourself in relation to time, place and other aspects of your surroundings.