The effects of nonnormal distributions on confidence intervals around the standardized mean difference: bootstrap and parametric confidence intervals.
The standardized group mean difference, Cohen's d, is among the most commonly used and intuitively appealing effect sizes for group comparisons. However, reporting this point estimate alone does not reflect the extent to which sampling error may have led to an obtained value. A confidence interval e...
| Published in: | Educational & Psychological Measurement Vol. 65; no. 1; pp. 51 - 70 |
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| Format: | equations & formulas research tables/charts Journal Article |
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Sage Publications Inc.
Feb2005
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| Online Access: | View this record in EBSCOhost |