Data Collection
Math 550 at UNC, Summer 2008
The following files include information on basic statistical methods of sampling, identifying variables, and designing studies. Click on the "Preview" thumbnails to see a slideshow of the documents, or click the "PDF" button to download a handout.
Downloadable Handouts
| Document Title |
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| Sampling Rectangles |
Use a sheet of random rectangles to practice simple random sampling. |
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| Unidentified Variables of Studies |
Consider the effects of confounding variables and other unidentified variables in experimental studies, including the role of sampling. |
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| Diabetes on the rise, study finds |
Read a CNN report of a diabetes study. |
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| Sampling Methods – Stratified |
Try effective sampling techniques such as stratified, systematic, and cluster sampling. |
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| Gee Your Hair Smells |
Compare experimental research designs for a given situation. |
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