D

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DOUBLE ENTENDRE

A word, sentence or phrase that can be interpreted in 2 ways. See ambiguity- pun.

DOWNWARD DRIFT HYPOTHESIS, DRIFTING ATTENTION

A disorder where attention is a short span of time but a person then drifts back to a somnolent state.

DREAM CONTENT

Any images and ideas expressed when we dream. See latent content- manifest content.

DRINKING AID

Assistive technology for disabled people to drink without gelp from others.

DRUG DISCRIMINATION

The ability of an organism to distinguish between internal states produced by different drugs.

DUAL INSTINCT THEORY

Psychoanalytic theory. Life is governed by 2 opposing forces life instinct and death instinct.

DUMMY VARIABLE CODING

A way of assigning numerical values to a categorical variable so that it reflects class membership.

DVORAK KEYBOARD

Layout of a keyboard based on how often letters are used in thge English language.

DYNAMIC PSYCHOLOGY

1. Any system of psychology that looks at drive and motivation. 2. Theory of psychology emphasising causation and motivation relating

DYSBULIA

1. A difficulty in thinking and maintaining attention. 2. Lack of will power or volition.

DYSGRAPHIA

Aphasia that effects hand writing.

DYSPEPSIA

Any abdominal pain caused by ulcers and reflux and gallstones.

DYSSOCIAL BEHAVIOR

Former name for any behaviour associated with delinquent or criminal activities like racketeering, gangsterism and illegal gambling. Also called sociopathic

DECEPTION RESEARCH

Used in research where the participants are not told everything about the research. See active deception- double deception- passive deception.

DECLARATIVE MEMORY

Memory that can be recalled in response to remember. Also called declarative knowledge. See explicit memory. Compare non-declarative memory- procedural

DEDUCTION

1. The conclusion arrived at after reasoning processes. 2. Process of deductive reasoning. Compare induction.

DEFECT THEORY

States that people with mental retardation process things differently to those who are not retarded.

DEFICIENCY

A lack or shortage in something.

DEGREES OF FREEDOM PROBLEM

When the brain chooses the best movements to use to solve a problem.

DEJA VECU

Feeling of having lived previously. See false memory.