RATIONAL PSYCHOTHERAPY
A therapeutic approach developed primarily by Albert Ellis, based on the view that emotional difficulties are due to faulty, illogical attitudes which can be...
RABBIT-DUCK FIGURE
An animal figure, that depending on perspective, could either look like a duck or a rabbit. The figure appears as a duck or...
RADIATION NECROSIS
The tissue death that results from exposure to damaging levels of radiation
RAGE DISORDER
A condition characterized by episodes of uncontrolled rage. The clinical disorder features episodes of rage as the primary symptom.
RANDOM VARIABLE
Using chance to assign value to a variable.
RANGE OF ATTENTION
Attention spread
RAPPROCHEMENT
A state of cordial relations between individuals or groups. 2. In the theory put forth by Austrian child psychoanalyst Margaret Mahler, the point in...
RATIO SCALE
A measurement scale where zero is a true absence of the measured attribute and a constant ratio of values is used.
RATIONALIZATION
An explanation in which apparently logical reasons are given to justify unacceptable behavior. In psychoanalytical theory, such an outlook is regarded as a defense...
REACTION TIME (RT)
The time that passes between the introduction of a stimulus and the reaction by the subject to that stimulus.