Introductory Statistics Using Spss (9781506358697) by Knapp Herschel

Author:Knapp, Herschel [Knapp, Herschel]
Language: eng
Format: epub
ISBN: 9781506358697
Publisher: LightningSource
Published: 2021-12-09T20:26:06+00:00

In the One-Way ANOVA window (Figure 6.6), click on the OK button, and the ANOVA test will process.

ANOVA Post Hoc Summary

If all groups have the same n, select Tukey.

If the groups have different ns, select Sidak.

Results

Pretest Checklist Criterion 2—n Quota

Table 6.1 shows that each group has an n of 35. This satisfies the n assumption, indicating that the ANOVA test becomes more robust when the n for each group is at least 30.

Pretest Checklist Criterion 3—Homogeneity of Variance

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