D

n23

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.

DELAYED SPEECH

Speech that fails to develop at the expected age and pace.

DELTA RULE

The change in strength of an association is relative to the maximum strength and the current strength.

DEMAND CHARACTERISTICS

Anything that can influence or bias a person's behaviour. See experimenter effect- sensory leakage.

DEMOGRAPHY

The study of the statistics of population. See biostatistics- social statistics.

DENDRODENDRITIC SYNAPSE

The synapse between the dendrites of 2 neurons.

DENYING THE CONSEQUENT

Logic. If a conditional statement is accepted as true then the negative can be inferred as well. Also called modus

DEPERSONIFICATION

Treating a person as something they are not.

DEPRIVATION DWARFISM

A stunting of physical growth in infancy due to non-organic factors. See failure to thrive.

DERANGEMENT

A disturbance in mental functioning.

DES 1

The abbreviation for dysexecutive syndrome or diethylstilbestrol.

DESIGN FOR ADJUSTABLE RANGE

Designing equipment for peopel to use that can be adjusted for different people. Compare design for the average- universal design.

DESURGENCY

A trait of personality featuring brooding, seclusion and anxiety.

DETERMINING TENDENCY

A goal direction that maintains a sequence of behaviours. Also called determing set.

DEVELOPMENT CYCLE

Ergonomics. Process of developing a process.