Glossary D

A Double dissociation of function refers to a technique in which opposite behaviors are elicited by two (2) different tasks from different areas of functioning (see Converging operations)

Double insanity which is also known as Communicated insanity, Shared psychotic disorder, Infectious insanity, and Folie à deux refers to the slow development of a delusion as a result of being in a symbiotic relationship in which the subordinate party develops the delusion held by the dominant party.

Double standard means applying different standards for judging the appropriateness of male and female sexual behavior ; condemning women more than men for the same sexual behavior, for example, premarital sex (with men premarital sex is okay , but not for women). It is the the view that sexual behavior that is appropriate for members of one sex is less appropriate for the other

Double technique is defined as a role in which an auxiliary takes the part of the protagonist and expresses his/her perception of the protagonist's thoughts or feelings.

Double-bind is defined as a case in which an individual is told two (2) contradictory messages by an important figure in his or her life, such that every response he or she makes with regard to that figure is wrong. Double-bind situations, at one time were believed to contribute to the development of Schizophrenia.

A Double-blind control refers to procedure in outcome research that prevents bias by ensuring that neither the subjects nor the providers of the experimental treatment know who is receiving treatment and who is receiving a placebo.

Double-blind design refers to a Research design in which neither the experimenter nor the participants know who is in the experimental Group and who is in the Control group.

Double-blind experiment is defined as an experimental procedure in which neither the researcher nor the patient knows whether the patient received the real treatment or the placebo until pre-coded records indicating which patient received which are consulted. It is designed to reduce the possibility that expectations for success will increase evidence for success. Moreover, Double-blind experiment is a study in which both the researchers and the participants are unaware of which experimental condition the participants are in, in order to prevent demand effects