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Internet Exercises
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1

The Gallup Organization: How Are Polls Conducted?

http://www.gallup.com/help/FAQs/poll1.asp

Representative sampling is an important issue in survey research. Since, the current adult population in the continental United States is 187 million, what is the typical sample size for a Gallup poll that is designed to represent this general population? What groups are not represented in Gallup's sampling frame?
2

Practice Network: I-O Psychology.Com - The Internet and I-0 Psychology

http://siop.org/tip/backissues/Tipapr99/10Harris.htm

In an online survey (Harris, 1999) of a sample of Industrial-Organizational psychologists, the respondents reported several advantages and disadvantages to conducting online employee satisfaction surveys. Identify and list two of the advantages and one of the disadvantages.





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