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 be represented by a...

RADIOACTIVE TRACER

A chemical compound tagged with a radioactive isotope. During normal biological functions, the isotopes travel can be mentored in body tissue.

RANDOM NUMBER GENERATOR (RNG)

A device or software to produce true, random output. In parapsychological experimentation, true random number generators are utilized to test the ability of...

RANDOMIZED-RESPONSE TECHNIQUE

A procedure designed to reduce the influence of social desirability bias in measuring attitudes in a aggregate group. Subjects or given a pair...

RAPID ALTERNATING MOVEMENTS

A test consisting of rapidly changing hand positions in a sequence patterned designed to measure motor control and coordination.

RATING SCALE

A scale used to assign scores to subjects or objects in a test.

RATIONAL TYPE

According to Jung, and based on analytical psychology, one of two major categories of functional type. It is comprised of thinking type and...

RCUPTAKC

The biological process where neurotransmitter chemicals released from the synapse are taken up by the presynaptic neuron that released them. Reuptake is an...

REACTIVE MANIA

A mania episode initiated by an external event.

READING READINESS

Developing the necessary skills and abilities for reading. Components of reading readiness include auditory and visual discrimination, cognitive ability and fine motor coordination.

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