D

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DETACHMENT

1. Feeling of emotional freedom coming from a lack of involvement. 2. Objectivity to consider a problem on its merits.

DETOXIFICATION

A procedure where toxins are removed from the body and medication may be required to eae the withdrawal of toxins

DEVELOPMENTAL LEVELS

The stages of gthe human life span from neonatal to adulthood.

DEVELOPMENTAL TEST OF VISUAL-MOTOR INTEGRA

A measure of visuomotor development where the particpant copies increasingly difficult designs.

DFBETAS

Regression analysis. Looks at differences in the beta value in estimating regression coefficients.

DIAGNOSTIC EDUCATIONAL TESTS

Tests that are used to identify any deficiences in academic learning. Also called eduactional tests.

DIANETICS

Controversial technique of therapy that treats all organic mental ills and all inorganic psychosomatic ills with the assurance of complete

DICHORIAL TWINS

Twins with separate chorionic membranes as embyos. Compare monochorial twins.

DIETING

The restriction of food in order to lose weight.

DIFFERENTIAL REINFORCEMENT OF ALTERNATIVE BE

Reinforcing one behaviour by decreasing another.

DIFFUSION MODEL

Model of accuracy and reaction timewhere information is gained continuosly rather than in steps.

DIHYDROMORPHINE

A semi-synthetic opoid used in research of opoid receptors.

DIOPTRICS

Optics. Concerning the refraction of light. Compare catoptrics- dichotic- monotic.

DIRECT ODOR EFFECT

A nervous system change due to an odour in the olfactory tract.

DIRECTIONALITY PROBLEM

A problem with 2 variables where the cause and effect is not known.

DISADVANTAGED

Families and people who are deprived of access to a society's resources and the needs for life. See culturally disadvantaged.

DISCORDANCE

1.The condition of being in variance to a situation. 2. The dissimilarity seen in twins with rrspect to a trait

DISCRIMINABILITY

The quality or feature that makes one person distinct from another.

DISCUSSION LEADER

Member of a group whose job is to guide discussions.

DISINFORMATION

False information or propaganda that is publicly announced.