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…
DEPRIVATION DWARFISM
A stunting of physical growth in infancy due to non-organic factors. See failure to thrive.
DESIGN FOR ADJUSTABLE RANGE
Designing equipment for peopel to use that can be adjusted for different people. Compare design for the average- universal design.
DESYMBOLIZATION
A way to deprive symbols of accepted meanings and replacing them a distorted idea.
DETERMINISM
1. Philosophy. Taking the psoition that all events are the results of an antecedent cause or other force. See causality.…
DEVELOPMENTAL AGE (DA)
The measure of development that is expressed as an age thay may not match actual age.
DIALECTICAL OPERATIONS
Mechanisms that develop as a result of interactions between the environment and the individual.
DIFFERENTIAL EMOTIONS THEORY
A theory ythat proposes there is a large but limited number of emotions that appear without any social learning.
DIFFRACTION GRATING
A grate of glass or metal that splits light into different wavelengths.