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DESIGN FOR THE AVERAGE

The principle that says all equipment that is designed for a person to use should suit the average and not

DESYMBOLIZATION

A way to deprive symbols of accepted meanings and replacing them a distorted idea.

DETERMINISM

1. Philosophy. Taking the psoition that all events are the results of an antecedent cause or other force. See causality.

DEVELOPMENTAL AGE (DA)

The measure of development that is expressed as an age thay may not match actual age.

DEVELOPMENTAL SEQUENCE

The order that an organisms changes occur during its development.

DEXTERITY TEST

The manual test combining speed and accuracy.

DIADOCHOKINESIS

An ability to perform rapid repetitive movements.

DIALECTICAL OPERATIONS

Mechanisms that develop as a result of interactions between the environment and the individual.

DIBENZOTHIAZEPINE

An atypical antipsychotic similar to benzodiazepines.

DIESTRUS

Seen in mamalian females where a period of sexual inactivity is seen between estrous cycles.

DIFFERENTIAL EMOTIONS THEORY

A theory ythat proposes there is a large but limited number of emotions that appear without any social learning.

DIFFRACTION GRATING

A grate of glass or metal that splits light into different wavelengths.

DIGLOSSIA

When 2 languages exist in a community, one used a lot and the other used less. The more used language

DIMINISHED RESPONSIBILITY

A legal defense where a mental abnormality is used to reduce accountability for an act. Also called limited responsibility. See

DIRECT AGGRESSION

Aggressive behaviour towards a source of anger or frustration. Compare displaced aggression.

DIRECTED THINKING

Thinking towards a specific goal. See critical thinking.

DIRT PHOBIA

An irrational fear of dirt and or contamination.

DISCOMFORT DISTURBANCE

The low tolerance to frustration that can make you overreact to a situation.

DISCRETE MEASURE

Measure of a limited value, such as the grade of a student.

DISCRIMINATION TRAINING

1. process where an operant esponse is reinforced. 2. Sport. Training to be able toidentify task relevany cues.