EXTERNAL CHEMICAL MESSENGER (ECM)
An odorant or other substance secreted or released by an organism and affects other organisms.
EXTERNAL CONTROL
The belief that one's experience and behaviour are determined by luck, circumstances, other people and external factors. Compare internal control.
EXTERNAL EAR
The part of the ear from the outer surface of the eardrum. Also called outer ear.
EXTERNAL EVALUATOR
The person conducting an evaluation of a prgram who is not part of the program being evaluated.
EXTERNAL INEQUITY
The situation arising when an employer compensates an employee less than a similar employer would.
EXTERNAL STIGMATA
Any peculiarities or physical marks used to aid condition identification.
EXTERNAL VALIDITY
The extent that research can be generalized beyond the results to other situations or people.
EXTERNAL WORLD
The world of real and existing things external to and independent of our consciousness. See cartesian self- absolute reality- objective…
EXTERNALITY EFFECT
Tendency of babies less than 1 month old to only see the external side of a figure and not the…
EXTERNALIZATION
1. defense mechanism where our thoughts and feelings are attributed to the external world. 2. Process of learning to distinguish…
EXTERNALIZERS
A person who believes their behaviour and reactions are determined by external events beyond their control.
EXTERNALIZING-INTERNALIZING I
Classification of children's behaviour and disorders based on reactions to stressors. See externalisation- internalisation.
EXTEROCEPTIVE STIMULUS
Stimulus coming from the external world. Compare interoceptive stimulus.
EXTEROCEPTOR
A sensory nerve ending receiving stimulation from outside the body. Compare interoceptor.
EXTINCTION
1. Biology. Loss of a species or genus completely or in a certain environment. 2. Neurophysiology. A decrease in a…
EXTRA SUM OF SQUARE PRINCIPLE
Approach for model comparison significance testing in the general linear model.