A Child Psychologist Believes That the Level of Aggressive Behavior

question 22

Multiple Choice

A child psychologist believes that the level of aggressive behavior of 3- to 5-year-old children is strongly influenced by the types of toys available to play with. To test her hypothesis, she arranges with a local preschool to run the following experiment: For one week, the children will be able to play with all the toys normally available at the school. Then, all war-like toys toy soldiers, tanks, guns, etc.) will be removed for a week. In the third week, the war-like toys will be reintroduced, and in the fourth week removed again. During each week, the psychologist will observe the children's level of aggressive behavior. What type of quasi experimental design is illustrated in this example?

• A) delayed control group
• B) repeated treatment
• C) interrupted time series
• D) regression discontinuity

---

Definitions:

Adult Americans

Individuals living in the United States who are 18 years of age or older.

Share

A unit of ownership interest in a corporation or financial asset that provides for an equal distribution in any profits, if any are declared, in the form of dividends.

Democracy

A form of government in which power is vested in the people, who rule either directly or through freely elected representatives.

Alexander Tytler

A Scottish historian and writer often cited, sometimes inaccurately, in discussions about democracy and societal cycles.