Dr. Stephenson 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. Stephenson records the behavior of each group of children on these diets for one month and compares them statistically. In this experiment, Dr. Stephenson's experimental group 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.
C
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In women, ova are formed:
a. about one every day after reaching puberty b. about one or two a month, every month after reaching puberty c. about 100 every day after reaching puberty d. during the prenatal period
In Freud's usage, a "defense mechanism" has the effect of
A) protecting the person's consciousness from threatening material. B) helping an individual improve his or her self-awareness. C) improving people's ability to remember traumatic events in their lives. D) re-creating the infantile state of simple needs. E) motivating a person to take a strong stance in support of his or her beliefs.