D

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DEXTROAMPHETAMINE

A sympathomimetic agent and stimulant formed from amphetamine. Also called dexamphetamine.

DIAGNOSTIC BASELINE

The entry level or pretreatment level of a condition.

DIALOGUE (DIALOG)

1. A change of ideas between people. 2. Gestalt therapy where the client talks to a body part person or

DICHORHINIC

Presenting a different odour to each nostril by an olfactometer.

DIETHYLSTILBESTROL

A synthetic compound that does a similar job to estrogen. Used rarely nowdays due to associated health risks.

DIFFERENTIAL REINFORCEMENT

Reinforcing only a selected behaviour.

DIFFUSION

1. The processing of spreading cultural characteristics within a culture or community. 2. Biology. Passive transport. 3. The process wher

DIHYDROINDOLONE

A compound with an indoile nucleus similar to that of serotonin.

DIONYSIAN

Describes a state of mind where it is irrational, disordered, sensuous and maybe drunken or mad. Named after the Greek

DIRECT MARKETING

Promoting a product direct to the consumer rather than by use of mass media.

DIRECTIONAL HYPOTHESIS

Prediction relating to the direction of experimental scores from one group will differ to another group.

DISABILITY RATING SCALE (DRS)

A scale used to monitor progress during rehabilitation of brain damaged people.

DISCONTINUITY THEORY

Compare to continuity hypothesis. See all-or-none learning hypothesis- eureka task.

DISCRETIONARY TASK

An unstructured task solved at discretion of the group or its leader using a variety of procedures. See additive task-

DISCUSSION GROUP

A group used to look at problems in a variety of community settings.

DISINCENTIVE

Any sort of deterrent.

DISORGANIZATION

The disruption or loss of an orderly and systematic structure.

DISPLAY RULES

Human behaviour. Social standards used for expressing emotion.

DISSOCIATIVE HYSTERIA

Former name for dissociative disorder.

DISTINCTNESS

1. The quality of an object. 2. In a task that needs attention it is the extent to which one