An Electroencephalogram

question 13

Multiple Choice

An electroencephalogram

• A)is a record of action potentials in the brain.
• B)records the potential difference between two points on the scalp's surface.
• C)is a pattern of complex waves with amplitudes similar to those of action potentials.

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Definitions:

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Longitudinal Research Design

A research strategy that involves repeated observations of the same variables (e.g., people) over short or long periods of time.

Cross-Sectional Research Design

A research method that analyzes data from a population, or a representative subset, at a specific point in time.

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