DESCENT GROUP
A social group with a descent from a common ancestor. See bilateral descent- kinship network.
DETACHED RETINA
The separationof the inner layer of the retina from the outer pigment layer. Also called retinal detachment. See diabetic retinopathy.
DETOUR PROBLEM
Used in problem solving by looking at indirect or circuitous solutions as the most direct solution is blocked.
DEVELOPMENTAL TASK
Any physical, social, intellectual and emotional ability or acheivement needed to be acquired at each developmental stage of life. See…
DIETHYLSTILBESTROL
A synthetic compound that does a similar job to estrogen. Used rarely nowdays due to associated health risks.
DIRECT MARKETING
Promoting a product direct to the consumer rather than by use of mass media.
DIRECTIONAL HYPOTHESIS
Prediction relating to the direction of experimental scores from one group will differ to another group.
DISABILITY RATING SCALE (DRS)
A scale used to monitor progress during rehabilitation of brain damaged people.
DISCONTINUITY THEORY
Compare to continuity hypothesis. See all-or-none learning hypothesis- eureka task.