When a Small Number of People Participate in a Guided

question 115

Multiple Choice

When a small number of people participate in a guided discussion of a particular topic so that researchers can learn more about certain issues,the group is called a

• A)study group.
• B)experimental group.
• C)population.
• D)focus group.

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Definitions:

Magnetic Resonance Imaging

Magnetic Resonance Imaging (MRI) is a diagnostic technique that uses magnetic fields and radio waves to produce detailed images of the body's internal structures and organs.

High-Energy Radiation

Radiation with enough energy to remove tightly bound electrons from atoms, thus creating ions, and includes types such as X-rays and gamma rays.

Functional MRI

A type of brain scan that measures and maps brain activity by detecting changes associated with blood flow.

Bender Visual-Motor Gestalt Test

The oldest and most commonly used of neuropsychological assessments often used to screen children for neuropsychological impairment. The test consists of a series of nine cards containing lines and shapes drawn in black on a piece of white cardboard. Children are asked first to copy the images on another card and then to draw them from memory. Errors in reproducing these lines and shapes may indicate neurological problems.