American = 20.13 European = 27.89 Japanese = 30.45 Am. Vs. Eur. = 20.13 27.89 = ? – Am. Vs. Eur. = 20.13 27.89 = -7.76 – Am. Vs Jap. = ? Am. Vs Jap. = -10.32 Eur. vs. Jap. = ? Eur. vs. Jap. = -2.56 Show SPSS Bonferroni and Scheffe Using oneway command in SPSS Select Hoc” to obtain Bonferroni and Scheffe corrections and confidence intervals. “Post Question Do the Bonferroni and Scheffe produce different inferences for the above data? Answer Note difference inference result for European vs. Japanese comparisons. FTR for Scheffé, but reject for Bonferroni (thus, Bonferroni has slightly more power than Scheffe) Example Data Excel Version
American = 20.13 European = 27.89 Japanese = 30.45 Am. Vs. Eur. = 20.13 – 27.89 = ? Am. Vs. Eur. = 20.13 – 27.89 = -7.76 Am. Vs Jap. = ? Am. Vs Jap. = -10.32 Eur. vs. Jap. = ? Eur. vs. Jap. = -2.56 Show SPSS Bonferroni and Scheffe Using oneway command in SPSS Select “Post Hoc” to obtain Bonferroni and Scheffe corrections and confidence intervals. Question Do the Bonferroni and Scheffe produce different inferences for the above data? Answer Note difference inference result for European vs. Japanese comparisons. FTR for Scheffé, but reject for Bonferroni (thus, Bonferroni has slightly more power than Scheffe) Example Data Excel Version
EDUR8131Chat13-Notes9a.docx