RETINAL DENSITOMETRY
Technique utilized to study pigments in vivo. Measurement of the small fraction of light reflected by pigment epithelium in the…
RETROSPECTIVE AUDIT
Practice in health administration which allows determination of medical necessity and suitable billing procedures for previously rendered services.
REVERSE CAUSALITY
In determining the elements of causal relationships, frequent mistake of confusing the cause with the effect, or the converse.
REWARDED ALTERNATIVE METHOD
Technique which supplants rewards for undesired behavior with rewards for appropriate, desired behavior.
RIGHT BRAIN
Cerebral hemisphere located on the right of the corpus callosum which controls the left side of the body. See also:…
RISKY IIIN, RISK-AS-FEELINGS THEORY
Concept which states decisions made in scenarios including an element of danger are frequently based on emotionally charged responses, including…
ROLANDIC CORTEX
Motor area of the cerebral cortex lying just anterior to the central sulcus and comprising part of the precentral gyrus;…
ROLE-DIVIDED PSYCHOTHERAPY
Method of group psychoanalysis wherein participants get together for a portion of the treatment period without the counselor and then…
ROSENTHAL EFFECT
Theory which posits that the expectations of an experimenter concerning the results of an experiment may have an unconscious effect…
ROUGHNESS DISCRIMINATION TEST
Evaluation of somatosensory response wherein individuals touch various surfaces and are then asked to conclude which has the greatest degree…
RULE OF ABSTINENCE
During psychoanalysis, the guideline that the individual ought to refrain from any gratifications which may divert him or her from…
RADEX THEORY OF INTELLIGENCE
Louis Guttman, a U.S. psychologist proposed this theory of intelligence. The theory states that the organization of mental ability can…
RADIOACTIVE TRACER
A chemical compound tagged with a radioactive isotope. During normal biological functions, the isotopes travel can be mentored in body…
RANDOM NUMBER GENERATOR (RNG)
A device or software to produce true, random output. In parapsychological experimentation, true random number generators are utilized to test…
RANDOMIZED-RESPONSE TECHNIQUE
A procedure designed to reduce the influence of social desirability bias in measuring attitudes in a aggregate group. Subjects or…
RAPID ALTERNATING MOVEMENTS
A test consisting of rapidly changing hand positions in a sequence patterned designed to measure motor control and coordination.