R

n23

RELATIONAL DISCRIMINATION

Discrimination which occurs because of a relationship between or among stimuli rather than because of the absolute features of the

RELATIVE PITCH

Capability of identifying a pitch of sound correctly by using internal references to pitch. Compare with: absolute pitch.

RELEASING HORMONE

One of many different peptides emitted by the hypothalamus, secreted directly into the anterior pituitary gland by a vein which

REM REBOUND

Lengthening and increasing frequency and depth of REM sleep. Often occurs after a period of sleep deprivation

REMISSION

Abatement of significant subsiding of disease symptoms. Time period during which symptoms of a disease subside or abate. See also:

RENPENNING'S SYNDROME

Neurodevelopmental disorder occurring only in males; beginning at birth, can present as intellectual disability, mild growth retardation concerning the testes

REPETITION EFFECT

Material which is presented in a repetitive way tends to be better understood, leading to improved memory of the material.

REPRESENTATIVE DESIGN

Experimental arrangement wherein background variable are deliberately uncontrolled, making research results more valid in the real world. See also: ecological

REPRODUCTIVE IMAGINATION

Activity in which the imagination is utilized to reproduce objects and images which have been encountered previously.

RESERVED

Distant; emotionally controlled to the point of being perceived as uncaring. Applies especially to social behavior.

RESISTANCE TO CHANGE

A measure of the momentum of behavioral change.

RESPITE SERVICES

Assistance and supervision, as well as recreational or social activities furnished during a limited time frame for an individual who

RESPONSE MAINTENANCE

After completion of an intervention, the duration for which changes are preserved and the extent of that maintenance.

REST PERIOD

Small period of time, often seen as a reward, in which an activity is suspended for the purpose of resting

RESTRICTION OF RANGE

Imposition of conditions by a researcher which limit the whole range of scores having been collected to a very constrained

RETINAL CONES

Photoreceptor cells within the retina which depend upon moderate to bright light stimulus in order to activate.

RETIREMENT COUNSELING

Therapy for individuals or groups employed with a company to assist them with retirement planning.

RETROSPECTION

Reflection on recent past events. Compare with: introspection.

REVERSE ANOREXIA

An inversion of anorexia in which a subject is obsessed with increasing body size, especially by the addition of muscle

REWARD SYSTEM

Collection of correlated factors which join a specific stimulus with some framework of pleasure or comfort.