Glossary D

Durham standard is defined as a legal standard for insanity that was developed by Judge David Brazelton of the U.S. Court of Appeals. The Durham standard states that "an accused is not criminally responsible if his/her unlawful act was the product of mental disease or mental defect."

Duty to warn refers to mental health professional’s responsibility to break confidentiality and notify the potential victim whom a client (patient) has specifically threatened.

Dyadic relationships is defined as relationships that develop between two (2) people.

Dying trajectories is defined as patterns of dying or the ways in which dying plays out, typically distinguished by duration that is the time between the onset of dying and the arrival of death and shape which is the course of the dying, its predictability, and whether death is expected or unexpected. Moreover, Dying Trajectory is defined as the time during which a person goes from good health to death.

Dynamic assessment refers to an approach to assessing intelligence that evaluates how well individuals learn new material when an examiner provides them with competent instruction.
Dynamic equilibrium something that occurs when all of the applied and inertial forces acting on the moving body are in balance , resulting in movement with unchanging speed or direction.

Dynamic lattice refers to the representation in a chart or diagram of the relationships among ergs, sentiments, and attitudes.

Dynamic optical demarcation when an animal uses a special signalling device in a stereotypical movement (the waving of the fiddler crabs claw) to alert other members of its species.