Validity is best achieved by
A) not interfering with variables.
B) simply reporting all observations.
C) choosing a well-studied area of research.
D) controlling for extraneous variables.
Answer: D
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The National Association of Retired Beekeepers keeps a lobbyist on its payroll. He is called a(n) ________________ lobbyist
a. contract b. direct c. in-house d. public interest e. union
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A) ?5% B) ?24% C) ?47% D) ?62% E) ?81%