E

n23

EXCITATION

An activity elicited in a nerve or muscle when stimulated.

EXECUTIVE AREA

The region of the brain that does higher order brain functions.

EXERCISE THERAPY

Using exercise to treat psychological disorders by giving enjoyment to the client.

EXISTENTIAL PSYCHOTHERAPY

Psychotherapy that deals with the here and now rather than the past.

EXOSYSTEM

The structures of society that function independent from the individuals.

EXPECTED VALUE

The central value of a randomn variable. Also called first moment- population mean.

EXPERIMENTAL HYPOTHESIS

The premise describing what the experimenter hopes to achieve.

EXPERIMENTER DRIFT

The change in the systematic way a person conducts an experiment.

EXPLANATION

The account to provide meaning for an event or phenomenom. See scientific explanation.

EXPONENTIAL FUNCTION

Function where part of the equation is a constant.

EXTENSIONAL MEANING

The meaning of a word or phrase. Compare intensional meaning.

EXTERNAL WORLD

The world of real and existing things external to and independent of our consciousness. See cartesian self- absolute reality- objective