A unified approach to measuring the effect size between two groups using SAS ®

@inproceedings{Yang2012AUA,
  title={A unified approach to measuring the effect size between two groups using SAS ®},
  author={Dongsheng Yang and Jarrod E. Dalton},
  year={2012}
}
Standardized difference scores are intuitive indexes which measure the effect size between two groups. Compared to a t-test or Wilcoxon rank-sum test, they are independent of sample size. Thus, their use can be recommended for comparing baseline covariates in clinical trials as well as propensity-score matched studies. In this paper, we show how to calculate sample standardized differences for continuous and categorical variables and how to interpret results. We also provide a SAS macro which… CONTINUE READING

From This Paper

Figures, tables, and topics from this paper.

Citations

Publications citing this paper.
Showing 1-10 of 43 extracted citations

References

Publications referenced by this paper.
Showing 1-10 of 15 references

Statistical Power Analysis for the Behavioral Sciences (2nd ed)

J. Cohen
1988
View 4 Excerpts
Highly Influenced

n.d.) The effective use of effect size indices in institutional research

C. Carson
Retrieved March • 2012

A new standardized difference metric for multinomial samples

J. E. Dalton
2008
View 2 Excerpts

Effect-size estimates: Issues and problems in interpretation

F. E. Fern, K. B. Monroe
Journal of Consumer Research, • 1996
View 1 Excerpt

Dominance statistics: Ordinal analyses to answer ordinal questions

N. Cliff
Psychological Bulletin, • 1993
View 1 Excerpt

A common language effect size statistic

K. O. McGraw, S. P. Wong
Psychological Bulletin, • 1992
View 2 Excerpts

Similar Papers

Loading similar papers…