A personality researcher places surface electrodes on the scalps of a group of introverts and a group of extroverts to measures their brain's electrical reaction to a series of photographs of individuals either engaging in various activities alone (e.g. reading, hiking) or with others (e.g. dancing at a party, cheering at a basketball game). In this study, the researcher is using a measure of brain activity referred to as a(n):

Question

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The researcher is using an Electroencephalograph (EEG) to measure the brain's electrical activity through electrodes placed on the scalp.

A Personality Researcher Places Surface Electrodes on the Scalps of a Group