ROOT-MEAN-SQUARE (RMS)
Square root of the average of the squares of a set of numbers or quantities. For example: the root mean…
ROTE REHEARSAL
Saying material repeatedly to oneself as a method of committing it to mind, especially with regard to a telephone number,…
RUBROSPINAL TRACT
Primary path for the mediation of voluntary motion. Accountable for large muscle motion including the arms and the legs as…
RUNNER'S HIGH
Feeling of euphoria encountered by a number of cross-country running enthusiasts and joggers as they approach the conclusion of a…
RACIAL DISCRIMINATION
Treating a member of one particular racial or ethnic group differently than one from another racial or ethnic group based…
RADICALISM
Any stated position addressing the basics of an idea or issue. For example, a radical criticism goes immediately to the…
RANDOM CONTROL
In pavlovian conditioning, a certain condition where both conditioned and unconditioned stimuli are shown with equal probability but independent of…
RANKING METHOD
A method of evaluating jobs for the purpose of setting just compensation. Jobs are ranked in relation to their relative…
RAYLEIGH SCATTERING
The scattering of sunlight by molecules in the atmosphere. The amount of scattering depends on the wavelength of the light.…
REACTIVE ATTACHMENT DISORDER
As clarified in DSM-IV-TR, A disorder of infancy and early childhood with symptoms of inappropriate social relations. It is further…
REALISTIC GROUP-CONFLICT THEORY
A concept based on the assumption that group conflicts such as rivalries and war-like actions will occur whenever groups are…
REASONABLE RESISTANCE STANDARD
A standard of resistance in rape cases. It is defined as the amount of resistance that would reasonably show that…
RECAPITULATION THEORY
Also referred to as biogenetic law, the theory states that embryonic development of an organism will mirror the evolutionary development…
RECESSIVE ALLELE
A type of gene allele that maifests its effect only if it is present on both member of a homologous…
RECIPROCITY NORM
A social rule of conduct that states that people who help others will receive equivalent benefit from them in return.