AP Exam Practice
Dr. Swope
Mrs. Schmidlap wants to study whether homework actually helps
her students learn. But she doesn't know the best way to study the
issue. Given the three research methods below, explain how Mrs.
Schmidlap might study her question.
• Survey
• Cross-sectional
• Case study
• Explain the importance of operationally defining
aspects of her study
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Which of the following statements about current international migration patterns is true? the largest number of immigrants moves from africa to south america. asian and latin american immigrants make up the largest percentage of international migrants. north and south america receive the largest number of international migrants each year. the middle eastern countries have the lowest number of international immigrants in their population. i only ii only ii and iv i, iii, and iv ii, iii, and iv

What is the top speed in a parking lot? a. 10 mph b. 20 mph c. 25 mph d. 30 mph

What best describes the portability characteristic of money?