To Determine If Sugar-Rich Diets Affect Hyperactivity in Kids, a Researcher

question 104

Essay

To determine if sugar-rich diets affect hyperactivity in kids, a researcher prepared two daily menus that children would receive for a 30-day period. A high-sugar diet was given to the boys, while the girls had a menu that seemed identical but was not a high sugar diet. At the end of 30 days, the boys and girls were evaluated to determine their levels of hyperactivity. In the study, the high-sugar diet is the _______.
a. placebo
b. independent variable
c. dependent variable
d. control group

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Definitions:

Peripheral Nerves

Nerves located outside the brain and spinal cord that connect the central nervous system to limbs and organs.

Spinal Cord

A long, thin, tubular bundle of nervous tissue and support cells that extends from the brainstem down the back, central to the body's nervous system.

Brain Stem

The central trunk of the mammalian brain, connecting the brain to the spinal cord and supporting basic life functions.

Limbic System

A complex system of nerves and networks in the brain, involved with instinct and mood control.