Defining Populations and Making Generalizations. Karen Smith IS 280, Fall 2009 11/12/2009 Professor Richardson. Making Accurate Generalizations. Parameters & Statistics. Defining Population. “The Effects of Free Choice on Student Learning: A Study of Summer Reading”.
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Defining Populations and Making Generalizations Karen Smith IS 280, Fall 2009 11/12/2009 Professor Richardson
Making Accurate Generalizations Parameters & Statistics Defining Population
“The Effects of Free Choice on Student Learning: A Study of Summer Reading” • “ Our findings indicate that free choice enriches summer reading, which is an important component of school library services.” • “These questions should be more fully explored and evaluated.” (Lu and Gordon 2008) Is it generalizable to the population?
“Reading the Game: Using Sport to Encourage Boys and Men to Read More” • Sample Size vs. Population • “There were only 15 boys in the sample, so this survey was about as unscientific as it comes.” (Palmer 2008)
The Literary Digest Presidential Poll of 1936 Sampling Frame Error? “The list of all the units from which the chosen units will be selected.” (Nachmias 2008)
References Lu, Ya-Ling and Gordon, Carol. “The Effects of Free Choice on Student Learning: A Study of Summer Reading” in School Libraries Worldwide 14, no. 1 (January 2008): 38-55. Nachmias, David and Frankfort-Nachmias, Chava. “Chapter 8: Sampling and Sample Designs.” in Research Methods in the Social Sciences, 7th edition. New York: Worth Publishers, 2008. 161-185. Palmer, Tom. “Reading the Game: Using Sport to Encourage Boys and Men to Read More” in Aplis 21, no. 2 (June 2008): 78-83. Squire, Peverill. “Why the 1936 Literary Digest Poll Failed” in Public Opinion Quarterly 52, (1988): 125-133.