One-Way Analysis of Variance (ANOVA) MCQ

You are conducting a study which involves 4 groups of participants and you have 8 participants in each group. What is dfBG?

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You are conducting a study which involves 3 groups of participants and you have 9 participants in each group. You are doing a one-way ANOVA using α = .05. What is the critical value for the F-ratio?

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Based on the information in the following ANOVA summary table, and using α = .05, the decision would be to reject the null hypothesis.Source,SS,F,Test group,70.00,6.88,Error,81.32Total,151.32

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An F-ratio can be either positive or negative.

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The amount of between-group variability must be significantly greater than the amount of within-group variability to reject the null hypothesis.

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Based on the information in the following ANOVA summary table, how many total participants were there?Source,SS,F,Test group,70.00,6.88,Error,81.32,Total,151.32

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Based on the information in the following ANOVA summary table, and using α = .05, what would be the critical value for the F-ratio?Source,SS,F,Test group,70.00,6.88,Error,81.32 Total,151.32

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You are conducting a study which involves 4 groups of participants and you have 12 participants in each group. You are doing a one-way ANOVA using α = .05. What is dftotal?

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An F-ratio is ______.

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A one-way ANOVA is used to test the difference between the means of 2 groups with two or more independent variables.

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Which of the following would be a correct statement for the alternative hypothesis when doing an ANOVA?

Correct Answer: Not all µs are equal.

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(# groups –1) is ______.

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You are conducting a study which involves 3 groups of participants and you have 9 participants in each group. What is dfWG?

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With a one-way ANOVA, R2 is a measure of effect size.

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Based on the information in the following ANOVA summary table, how many groups were there?Source,SS,FTest group,70.00,6.88Error,81.32Total,151.32

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Statistical procedure used to control familywise error when conducting all possible simple comparisons between groups is tukey's test

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Statistical procedure used to control familywise error when conducting all possible simple and complex comparisons in a set of data is scheffe's test

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Analytical comparisons involving more than two groups is ___ comparisons

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Analytical comparisons between two groups is ____ comparisons

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Statistical procedure used to control familywise error when comparing each group with a single reference group is dunnett's test

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Probability of making at least one Type ____ error across a set of comparisons is familywise error

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Comparisons not having been built into a research design prior to data collection is unplanned comparisons

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____ comparisons built into a research design prior to data collection.

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Comparisons between groups that are part of a larger research design is called

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Percentage of variance in the dependent variable associated with differences between groups comprising an independent variable is __ squared

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Table summarizing the calculations of an analysis of variance is ANOVA summary table

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Statistic used to test differences between group means is called

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