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Stephen Olejnik - Publications

Affiliations: 
University of Georgia, Athens, Athens, GA, United States 
Area:
Educational Psychology Education, Statistics, Psychometrics Psychology
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31 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2008 Luh WM, Olejnik S, Guo JH. Sample size determination for one-and two-sample trimmed mean tests Journal of Experimental Education. 77: 167-184. DOI: 10.3200/Jexe.77.2.167-184  0.479
2005 Kim S, Olejnik S. Bias and Precision of Measures of Association for a Fixed-Effect Multivariate Analysis of Variance Model. Multivariate Behavioral Research. 40: 401-21. PMID 26788828 DOI: 10.1207/S15327906Mbr4004_1  0.418
2003 Algina J, Olejnik S. Sample Size Tables for Correlation Analysis with Applications in Partial Correlation and Multiple Regression Analysis. Multivariate Behavioral Research. 38: 309-23. PMID 26771221 DOI: 10.1207/S15327906Mbr3803_02  0.629
2003 Olejnik S, Algina J. Generalized eta and omega squared statistics: measures of effect size for some common research designs. Psychological Methods. 8: 434-47. PMID 14664681 DOI: 10.1037/1082-989X.8.4.434  0.621
2003 Algina J, Olejnik S. Conducting power analyses for ANOVA and ANCOVA in between-subjects designs. Evaluation & the Health Professions. 26: 288-314. PMID 12971201 DOI: 10.1177/0163278703255248  0.622
2003 Gibson NM, Olejnik S. Treatment of missing data at the second level of hierarchical linear models Educational and Psychological Measurement. 63: 204-238. DOI: 10.1177/0013164402250987  0.331
2002 Keselman HJ, Wilcox RR, Kowalchuk RK, Olejnik S. Comparing trimmed or least squares means of two independent skewed populations Biometrical Journal. 44: 478-489. DOI: 10.1002/1521-4036(200206)44:4<478::Aid-Bimj478>3.0.Co;2-5  0.433
2001 Hess B, Olejnik S, Huberty CJ. The efficacy of two improvement-over-chance effect sizes for two-group univariate comparisons under variance heterogeneity and nonnormality Educational and Psychological Measurement. 61: 909-936. DOI: 10.1177/00131640121971572  0.424
2000 Algina J, Olejnik S. Determining Sample Size for Accurate Estimation of the Squared Multiple Correlation Coefficient Multivariate Behavioral Research. 35: 119-137. PMID 26777233 DOI: 10.1207/S15327906Mbr3501_5  0.622
2000 Olejnik S, Mills J, Keselman H. Using Wherry's AdjustedR2and Mallow'sCpfor Model Selection From All Possible Regressions The Journal of Experimental Education. 68: 365-380. DOI: 10.1080/00220970009600643  0.31
2000 Olejnik S, Algina J. Measures of effect size for comparative studies: applications, interpretations, and limitations Contemporary Educational Psychology. 25: 241-286. DOI: 10.1006/Ceps.2000.1040  0.6
2000 Algina J, Olejnik S. Determining sample size for accurate estimation of the squared multiple correlation coefficient Multivariate Behavioral Research. 35: 119-136.  0.368
1998 Keselman HJ, Huberty CJ, Cribbie RA, Lowman LL, Lix LM, Donahue B, Petoskey MD, Olejnik S, Kowalchuk RK, Keselman JC, Levin JR. Statistical practices of educational researchers: An analysis of their ANOVA, MANOVA, and ANCOVA analyses Review of Educational Research. 68: 350-386. DOI: 10.3102/00346543068003350  0.439
1997 Olejnik S, Li J, Supattathum S, Huberty CJ. Multiple testing and statistical power with modified Bonferroni procedures Journal of Educational and Behavioral Statistics. 22: 389-406. DOI: 10.3102/10769986022004389  0.407
1997 Li MNF, Olejnik S. The power of Rasch person-fit statistics in detecting unusual response patterns Applied Psychological Measurement. 21: 215-231. DOI: 10.1177/01466216970213002  0.377
1996 Hsiung TH, Olejnik S. Type I error rates and statistical power for the James second-order test and the univariate F test in two-way fixed-effects ANOVA models under heteroscedasticity and/or nonnormality Journal of Experimental Education. 65: 57-71. DOI: 10.1080/00220973.1996.9943463  0.441
1994 Hsiung T, Olejnik S, Huberty CJ. Comment on a Wilcox Test Statistic for Comparing Means When Variances Are Unequal Journal of Educational and Behavioral Statistics. 19: 111-118. DOI: 10.3102/10769986019002111  0.444
1994 Hsiung TH, Olejnik S, Oshima TC. A sas/iml program for applying the james second-order test in two-factor fixed-effect anova models Educational and Psychological Measurement. 54: 696-698. DOI: 10.1177/0013164494054003015  0.349
1994 Hsiung T, Olejnik S. Contrast analysis for additive non‐orthogonal two‐factor designs in unequal variance cases British Journal of Mathematical and Statistical Psychology. 47: 337-354. DOI: 10.1111/J.2044-8317.1994.Tb01041.X  0.456
1994 Hsiung TH, Olejnik S. Power of pairwise multiple comparisons in the unequal variance case Communications in Statistics - Simulation and Computation. 23: 691-710. DOI: 10.1080/03610919408813194  0.44
1994 Olejnik S, Luh WM. Type I error rates, power, and sample sizes for two-stage solutions to the Behrens-Fisher problem when population distributions are non-normal Computational Statistics and Data Analysis. 17: 409-420. DOI: 10.1016/0167-9473(94)90020-5  0.461
1992 Olejnik S, Nist SL. Identifying latent variables measured by the learning and study strategies inventory (Lassd Journal of Experimental Education. 60: 151-159. DOI: 10.1080/00220973.1991.10806587  0.346
1989 Algina J, Olejnik S, Ocanto R. Type I Error Rates and Power Estimates for Selected Two-Sample Tests of Scale Journal of Educational and Behavioral Statistics. 14: 373-384. DOI: 10.3102/10769986014004373  0.64
1988 Olejnik SF, Algina J. Tests of variance equality when distributions differ in form and location Educational and Psychological Measurement. 48: 317-329. DOI: 10.1177/0013164488482005  0.642
1987 Olejnik SF, Algina J. An analysis of statistical power for parametric ancova and rank transform ancova Communications in Statistics - Theory and Methods. 16: 1923-1949. DOI: 10.1080/03610928708829481  0.557
1987 Olejnik S. Conditional anova for mean differences when population variances are unknown Journal of Experimental Education. 55: 141-148. DOI: 10.1080/00220973.1987.10806447  0.444
1986 Algina J, Olejnik S. Corrected formulas for the K-sample Siegel-Tukey and Klotz tests Journal of Experimental Education. 54: 125-127. DOI: 10.1080/00220973.1986.10806409  0.596
1985 Olejnik SF, Algina J. A review of nonparametric alternatives to analysis of covariance Evaluation Review. 9: 51-83. DOI: 10.1177/0193841X8500900104  0.596
1984 Algina J, Olejnik SF. Implementing the welch-james procedure with factorial designs Educational and Psychological Measurement. 44: 39-48. DOI: 10.1177/0013164484441004  0.539
1984 Olejnik SF. Planning educational research: Determining the necessary sample size Journal of Experimental Education. 53: 40-48. DOI: 10.1080/00220973.1984.10806360  0.331
1982 Algina J, Olejnik SF. Multiple Group Time-Series Design: An Analysis of Data Evaluation Review. 6: 203-232. DOI: 10.1177/0193841X8200600203  0.565
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