DUMMY VARIABLE CODING
A way of assigning numerical values to a categorical variable so that it reflects class membership.
DVORAK KEYBOARD
Layout of a keyboard based on how often letters are used in thge English language.
DYNAMIC PSYCHOLOGY
1. Any system of psychology that looks at drive and motivation. 2. Theory of psychology emphasising causation and motivation relating…
DYSSOCIAL BEHAVIOR
Former name for any behaviour associated with delinquent or criminal activities like racketeering, gangsterism and illegal gambling. Also called sociopathic…
DECEPTION RESEARCH
Used in research where the participants are not told everything about the research. See active deception- double deception- passive deception.
DECLARATIVE MEMORY
Memory that can be recalled in response to remember. Also called declarative knowledge. See explicit memory. Compare non-declarative memory- procedural…
DEFECT THEORY
States that people with mental retardation process things differently to those who are not retarded.
DEGREES OF FREEDOM PROBLEM
When the brain chooses the best movements to use to solve a problem.
DELTA RULE
The change in strength of an association is relative to the maximum strength and the current strength.
DEMAND CHARACTERISTICS
Anything that can influence or bias a person's behaviour. See experimenter effect- sensory leakage.
DEMOGRAPHY
The study of the statistics of population. See biostatistics- social statistics.
DENYING THE CONSEQUENT
Logic. If a conditional statement is accepted as true then the negative can be inferred as well. Also called modus…