Ana Is Comparing Spatial Ability Scores for Four Groups

question 40

Multiple Choice

Ana is comparing spatial ability scores for four groups.She finds that the F statistic for her test is 4.01, and the cutoff value she identified prior to her analysis was 3.45.Should Ana reject or fail to reject the null hypothesis and what, if any, other steps does she need to take?

• A) Fail to reject the null hypothesis since her F statistic is below the cutoff, and perform a post hoc test to determine between which groups the significant difference lies.
• B) Fail to reject the null hypothesis since her F statistic is below the cutoff, and write up the results with no further testing.
• C) Reject the null hypothesis since her F statistic is beyond the cutoff, and write up the results with no further testing.
• D) Reject the null hypothesis since her F statistic is beyond the cutoff, and perform a post hoc test to determine between which groups the significant difference occurs.

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