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

Multiple Choice

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 this study, the high-sugar diet is the __________.

A) placebo
B) independent variable
C) dependent variable
D) control group