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
Answer a % correct 83 b= 3 b= 90 c= 5 d= 1 r = .25
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Stimulants are ________
a. drugs that speed up activity in the central nervous system. b. drugs capable of influencing perception, mood, cognition, or behavior. c. drugs that slow down activity in the central nervous system. d. drugs derived from the opium poppy that relieve pain and produce euphoria.
Which statistic is commonly used to screen people for weight categories that indicate whether they are considered normal weight, underweight, overweight, or obese?
A) set point B) positive energy balance C) body mass index D) obesity rate