DISEQUILIBRIUM
1. Loss of physical balance. 2. An emotional imbalance. 3. State of tension between cognitive processes. See equilibriation- disesthesia.
DISORDER OF WRITTEN EXPRESSION
A learning disorder where writing skills are lower than expected.
DISPLACEMENT BEHAVIOR
Behaviour where a person substitutes one action for another when the first is unsuccessful. Also called displacement activity.
DISSOCIATIVE DISORDER NOT OTHERWISE SPECIFIED
A residual category of disorders not fitting to a specific category.
DISTRIBUTED PRACTICE
Learning procedure where periods of learning are separated by periods of lebgthy periods of rest. Also called distribution of practice-…
DIZYGOTIC TWINS (DZ TWINS)
Twins that have developed from two separate and eggs fertilised by separate sperm. Also called fraternal twins.See twin studies.
DOPAMINE (DA)
Dopamine is a neurotransmitter with a vital role in several functions of the brain: sleep, mood, motivation, behavior, reward, cognition,…
DOUBLE STANDARD
A hypocritical belief where one behaviour is admissible in one group but not in the other.
DOWNWARD SOCIAL COMPARISON
A method of self-protection where we compare ourselves with people are less well off.
DRUG HOLIDAY
Where a drug is stopped being taken for a set time period in order to control the dosage and any…
DUAL PROCESS MODELS OF PERSUASION
A persuasion theory saying that change in attitude can result from strategies for processing attitude relevant information involving a high…
DUNCAN MULTIPLE-RANGE TEST
A multiple comparison procedure to determine which mean is significantly different and still controls the type 'I' error rate.
DYAD (DIAD)
1. a pair of individuals. 2. Two people are closely interdependent mainly on an emotional level. See social dyad.