ROLE-ENACTMENT THEORY
Interpersonal psychiatric description of hypnosis wherein the individual under hypnosis carries out a role designated by the hypnotist and then…
ROSTAN TYPES
Classification of body types using facets of the inner makeup of the body. See also: cerebral type, digestive type, muscular…
ROUND WINDOW
Opening in the inner wall of the middle ear which is covered by a thin membrane that compensates for changes…
RULE OF THUMB
Basic principle with extensive practical application which is not meant to be exactly precise or useful for every single circumstance.…
RADIAL GLIAL CELLS
Early in development, the radial glial cells are located in the neuroglia and span the width of the emerging cerebral…
RADIOGRAPH
An image formed on a photo-sensitive surface by radiation. An x-ray is a radiograph. Radiographs are produced through a process…
RANDOM-RATIO SCHEDULE (RR SCHEDULE)
Where reinforcements are scheduled randomly as determined by the number of responses needed for reinforcement. The number of responses varies…
RAPID CYCLING
Rapid cycling describes mood disturbances that fluctuate over a short time span. The cycling most commonly occurs between manic and…
RATING SCALE JUDGMENT TASK
A task where participants are asked to assign a confidence rating to their "yes" or "no" answers.
RATIONAL-ECONOMIC MAN
A construct of Adam Smith, an 18th century economist. The rational-economic man makes decisions based on rational analysis of desired…
REACH ENVELOPE
The area that an operator of a machine or tool can reach while sitting or standing during the task. It…
REACTIVE MEASURE
Any measure with the action of altering a response under examination. For instance, if a subject is aware of clinical…
READING RETARDATION
Defined as having a reading achievement at least 2 years below the individual's mental age.
REALITY CONFRONTATION
An act on behalf of the therapist in which the client is asked to consider the possibilty that he or…
REASSURANCE
A supportive approach in counseling. It encourages clients to believe in themselves and in the real possibility of improvement. It…
RECIPROCAL ALTRUISM
A type of helping behavior that is perpetuated when one individual helps another at some future time the second individual…
RECOGNITION METHOD
Also referred to as recognition test, a method of assessing the quantity of material recollected by examining a subject