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Confidence Interval [Feb. 22nd, 2009|11:17 pm]
Doctoral Psych Students' Dissertation Community

psydissertation

[sharper_edge]
[mood |confusedconfused]

Is there an average confidence interval one should use when calculating sample size in a quantitative dissertation? Or are there specific variables I should consider first when looking at the confidence interval?

I'm looking at doing a study with 5th, 6th, and 7th graders, and the total population I could potentially sample is approximately 2000 students.

Thank you!
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