A researcher would like to understand why some young people begin taking drugs and eventually drop out of school while others from the same neighborhood stay in school, go on to college, and do very well in college. A study of these two groups would likely be based on what type of sampling?

a. Homogeneous sample
b. Typical-case
c. Maximum variation
d. Extreme-case


Ans: d

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Some children may be frightened by a teacher's questioning

a. True b. False Indicate whether the statement is true or false

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What will be an ideal response?

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Which of the following is the most suitable as a statement of a research problem?

A. How do young children express themselves? B. How do eight- to ten-year-old Puerto Rican children in New York City respond to crises involving serious illness of other members of their families? C. What are the causes of the problems of high school dropouts in city schools? D. How can the problem of delayed language acquisition be solved?

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It is most accurate to say that ADHD is a condition whose origins are primarily _____.

a. environmental b. neurological c. learned d. toxilogical

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