RANGE OF AUDIBILITY

The range of audio frequencies detectable by a subject. In humans, generally that range is 20 Hz to 20 KHz. The frequency...

RAPTURE-OF-THE-DEEP SYNDROME

An acute and short-lived psychosis experienced by some deep-sea divers. It could be attributed to a higher than safe nitrogen level in the...

RATIO SCHEDULE OF REINFORCEMENT

A scheduled administration of reinforcement

RATIONALLY SUICIDAL

Having suicidal thoughts or intent based on what a reasonable person would agree is an untenable situation.

REACTION TYPE

The categories in which a psychiatric syndrome is classified in terms of major symptoms. 2. In reaction-time experiments, a certain kind of...

READINESS

The degree of preparedness to act or respond to a particular stimulus. 2. The level of preparation for a given task sufficient to result...

REAL SELF

The individual's unique wishes and emotions and the potential on their part for future growth as a being.

REAL-LIFE TEST

In the matter of those contemplating sex-reversal surgical procedures. The test consists of a period of time spent dressing, acting and appearing as...

REBOUND PHENOMENON

A test demonstrating loss of cerebellum control over the control of coordinated movement. In the test for the phenomenon, if the individual extends...

RECEPTIVE VOCABULARY

A person's vocabulary defined by words he or she can understand, identify and process. It may be more extensive than the vocabulary he or...

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