D

n23

DETERMINANT OF ELABORATION

A factor influencing the amount of elaboration when encountering attitude relevant information. See elaboration likelihood model.

DEUTOPLASM

The substance in the yolk of an egg that provides nourishment to the embryo.

DEVELOPMENTAL READING DISORDER

The reading disorder designation.

DEWEY, JOHN

US philosopher, educator and psychologist who developed the instrumentalist approach.

DIABETIC RETINOPATHY

A deterioration of the retina seen in people with diabetes mellitus.

DIALECT

1. Language. Any langauge that is associated with one area or region. 2. Animal communication. A variant in the standard

DIATHESIS-STRESS MODEL

Theory stating that mental and physical disorders develop from genetic or biological predisposition combined with stress.

DIDACTIC TEACHING

1. A technique used in therapy where both verbal and written information is given to clients.2. Part of a graduate

DIFFERENTIAL CONDITIONING

Pavlovian experiment where 2 or more stimuli are used where only 1 will produce an outcome.

DIFFERENTIATION THEORY

Theory where perceptionis understood as a filtering process that allows noise to be filtered out while learning to distinguish features

DIGITAL COMPUTER

An electronic device for processing information. Compare analogue computer.

DIMER

Complex where 2 macromolecular sub units are bound together.

DIPLOID

Possessing the correct number of chromosomes, in humans 46. Compare haploid.

DIRECTED FACIAL ACTION STUDIES

Studies where people are asked to move facial muscles to make an emotional expresion without a verbal reference to the

DIRECTOR

Psychodrama. The therapist who establishes the role play and the scenario.

DISCIPLE

1. Student under a teachers direction, supporter or follower. 2. One who spreads the doctrine of another.

DISCREPANCY PRINCIPLE

The assumption that babies are more attentive to unusual stimuli.

DISCRIMINATION

1. Ability to distinguish between stimuli or objects that are different from one another. 2. Ability to respond in different

DISENGAGED FAMILY

A family with memberswithdrawn from each other both emotionally and psychologically.

DISJUNCTIVE TASK

A task or project of a group that is completed when a single solution is adopted by the group. Compare