Dr. Pena wants to investigate whether children who eat a lot of processed sugar find it more difficult to sit still and concentrate in school than children who don't. She randomly divides all the children in the Edward L. Thorndike Elementary School into two groups. Group one is given a breakfast of Chocolate Frosted Sugar Bombs cereal and chocolate milk, and a midday snack of Jolt Cola and

Crunchy Sugar Granola Chews. Group two is given an identical breakfast and snack, but their food contains artificial sweeteners instead of processed sugar. Dr. Pena records the behavior of each group of children on these diets for one month and compares them statistically. In this experiment, Dr. Pena's control group variable is the

A) children's behavior before and after their breakfasts and snacks.
B) type of sweetener used in the children's breakfasts and snacks.
C) children in group one.
D) children in group two.


D

Psychology

You might also like to view...

Pavlov believed that a physiological change caused an animal to react to the CS as if it were the UCS. Which of the following is evidence AGAINST that idea? a. If a sound is paired with food, the CR closely resembles the UCR

b. If a sound is paired with shock, the CR does not resemble the UCR. c. If a sound is paired with a strong shock, conditioning is faster than with a weak shock. d. If a loud sound is paired with a shock, conditioning is faster than with a soft sound.

Psychology

The neurological impairments found in schizophrenic patients have also been studied in the unaffected twins of schizophrenic patients. Compared to the neurological impairments of "well" twins, the neurological impairments in their schizophrenic

a. marked by more activity in the occipital lobe. b. marked by a larger hippocampus and smaller amygdala. c. marked by a smaller hippocampus and amygdala. d. about the same as the "well" twin.

Psychology

Preschoolers show evidence of holding gender expectations, often in the form of gender stereotypes. Which of the following is a common gender stereotype about men?

A. trustworthiness B. sensitivity C. kindness D. competence

Psychology

The type of sensation you experience depends on which area of the brain is activated. This is known as

a. transduction. b. sensory localization. c. sensory adaptation. d. cerebralization.

Psychology