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RULE-ASSESSMENT APPROACH

Concept which describes intellectual growth with respect to the regulations and progressively more potent tactics children employ to resolve difficulties.

RADIAL MAZE

Used extensively to study spatial memory, a radial maze consists of arms radiating out from a central point. An animal

RADIOIMMUNOASSAY (RIA)

A technique to determine the concentration of a substance in a blood or tissue sample. A mixture of the substance

RANDOM OBSERVATION

An observation lacking planned execution. An observation without control or deliberation and not part of a schedule.

RANGE

Statistically, a measure of dispersion arrived at by subtracting the lowest score from the highest score in a distribution.

RAPID EYE MOVEMENT (REM)

Frequently observed during dreaming sleep. Rapid eye movement is coordinated movement of the eyes behind the eyelids.

RATIO

A quotient of two numbers derived from dividing one number from another.

RATIONALISM N 1

A philosophy that holds the following to be true: 1. It is possible to gain knowledge of reality by reason

REACTANCE THEORY

The theory describing a motivational state consisting of distress, anxiety and desire to restore freedoms taken away when an individual

REACTIVE SCHIZOPHRENIA

A sudden onset of schizophrenic behavior in response to environmental factors. The prognosis for eventual recovery is generally more optimistic

READING SPAN

The amount of text (written or typed) that a subject can absorb during a single movement of the eyes over

REALITY ORIENTATION

A treatment strategy in which the therapist reduces his client's confusion regarding time, place or their personhood. The therapist constantly

REBELLIOUSNESS

Resistance to authority, especially parental.

RECEPTIVE APHASIA

An aphasia characterized by the inability to understand words, signs or gestures. The sufferer may hear words or see words

RECIPROCAL DETERMINISM

An assertion that a reciprocal relation exists among environment, behavior and the individual. That is to say, that instead of

RECOGNITION TECHNIQUE

Performed by readership-survey, a study method utilized in consumer psychology to determine consumer recognition of a product they profess to

RECOVERY OF FUNCTION

Partial or complete return to normal activity or function of a specific organ or body part after trauma or disease.

RECURSION

A technique in generative grammar that uses specific grammatical specifications repetitively; the end result for each function is input to

REDUNDANT CODING

In computer programming, source code or program that contains any form of redundancy.

REFERENTIAL SIGNAL

Indications provided by an animal which appear to supply information regarding certain environmental events and objects.