R

n23

REVERSIBILITY

Possibly being expressed in terms of negation or compensation, a mental process which allows the reversal of a chain of

RH FACTOR (RHESUS FACTOR)

Any of at least eight antigens which have been genetically determined and may be affixed to the outer layer of

RHYTHM METHOD

Approach to contraception wherein the woman monitors her menstrual cycle and abstains from intercourse during her most fertile period. See

RIGHT TO EFFECTIVE TREATMENT

Procedural standing or moral position that individuals with a handicap or malady possess the legal, social, or ethical entitlement to

RING-FINGER DERMATITIS

Possibly the result of detergent or irritation due to chemicals in a ring, or a psychosomatic disorder, a condition distinguished

RISPERIDONE

Second-generation, atypical antipsychotic, employed in the treatment of schizophrenia, schizoaffective disorder, mixed and manic states characterizing bipolar disorder, and irritability

ROBUSTNESS

Potential of a hypothesis-testing or approximation technique to generate legitimate measurements, despite transgressions against the presuppositions upon which the strategy

ROLE CONFUSION

Doubt regarding a particular social or group task. Gender role behavior patterns typically correlated with the opposite gender. See also:

ROLFING

Holistic system of body manipulation using deep massage to realign the balance of the body's muscles; relieving chronic pain and

ROSTRAL

Having to do with the rostrum or related structures.

ROUTE LEARNING

Finding out how to negotiate a course in a spatial environment by means of obtaining precise instructions, distances, and landmarks.

RULE-BASED SYSTEM

Computer software wherein human practical knowledge is accumulated and employed as a series of "if-then" associations. See also: expert system;

RADIAL NERVE

The sensory/motor nerve giving feeling and sense to the inner side of the forearm and hand. The fibers originate from

RADIOLOGIST

A professional trained in the making and interpretation of radiographs.

RANDOM SAMPLING

Selecting individuals for a study by selecting them from a larger potential group. To be random, each is chosen in

RANGE EFFECT

In tracking, the tendency of a subject to make compensating movements too large when the target is small and too

RAPID SEQUENTIAL VISUAL PRESENTATION (RSVP)

Rapid sequential visual presentation is the methodology of presenting visual stimuli in a very short time span.

RATIO IQ

Showing IQ as a ratio of mental age to chronological age, multiplied by 100

RATIONALITY

Being reasonable or rational or being open to reason.

REACTION FORMATION

The psychoanalytical theory that as a defense mechanism, an individual will respond to unacceptable or threatening unconscious impulses by exhibiting