Category: R

  • Realism

    A philosophy that holds that knowledge is derived from perceptual experience, that the physical world assists a person’s search for knowledge.  

  • Reagin

    An antibody associated with many diseases. An antibody which reacts against an allergen. Antibody which reacts with lipoidal ‘antigens’ extracted from animal tissues in tests such as Kahn, Wassermann, that of the Venereal Diseases Research Laboratory and Price’s precipitation reaction. Antibody (an IgE immunoglobulin) formed against allergens (e.g., pollen) that attaches to cell membranes, causing…

  • Readjustment

    In education, a movement that emphasizes social usefulness and efficiency. It calls for schools to stress civic training and social responsibility in the curriculum.  

  • Readiness

    In psychology the developmental level at which a child is able to develop a particular skill. Possession of the skills and maturity necessary to learn new skills; sometimes used in the general sense of being ready for education of any sort but often used in relation to young children and reading. A child’s readiness for…

  • Reactive symptoms

    The secondary effects of organic brain syndrome involve changes in emotion, motivation, and behavior that result from the deterioration of cognitive abilities.  

  • Reactive hypoglycemia

    The lowering of blood glucose levels below normal after the ingestion of large quantities of sugar. Blood levels that fall below 80 mg/dL after a glucose challenge; can be life threatening. May be due to an overdose of insulin. Reactive hypoglycemia is a transient form of hypoglycemia that occurs in response to consumption of a…

  • Reactive depression

    Neurotic depressive reaction. Depression that is usually self-limiting, following a serious event such as a death in the family, the loss of a job, or a personal financial catastrophe. The disorder is longer lasting and more marked than an expected reaction to the stress experienced. A phrase once used to characterize a form of depression…

  • Reactive coping

    A form of coping in which the person feels to be at the mercy of events or crises and either fights thoughtlessly or flees may lead to frustration, tension, fatigue, and stress-induced illnesses or acts of self-indulgence, active coping.  

  • Reaction time test

    A procedure for determining the interval between the presentation of a stimulus and the beginning of a response.  

  • Reaction sensitivity

    Sensitization or tendency to perceive certain elements of a total situation as a result of acquired attitudes and previous experience.