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December 20, 2014

December 20, 2014

Posted by **Pat** on Monday, June 25, 2012 at 9:13pm.

- Statistics -
**PsyDAG**, Tuesday, June 26, 2012 at 10:52amAre you looking for the confidence interval?

What level of significance are you using?

95% = mean ± 1.96 SEm

SEm = SD/√n

- Statistics psychology -
**cnm**, Monday, July 7, 2014 at 12:46pmn a planned study, there is a known population with a normal disrubution, \mu= 0, and \sigma=10. What is the predicted effect size (d) if the researchers predict that those given an experimental treatment have a mean of (a) -8, (b) -5, (c) -2, (d) 0, and (e) 10 ? For each part, also indicate wether the effect is approximatley small, medium, or large.

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