One-Way Analysis of Variance (ANOVA) MCQs

One-Way Analysis of Variance (ANOVA) MCQs

Answer these 20+ One-Way Analysis of Variance (ANOVA) MCQs and see how sharp is your knowledge of One-Way Analysis of Variance (ANOVA).
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1: Analysis of variance is a Family of statistical procedures used to test differences between ___group means.

A.   One

B.   Two

C.   Two or more

D.   Zero

2: Statistical procedure used to test differences between the means of three or more groups comprising a single independent variable is ___ ANOVA

A.   One way

B.   Two way

C.   Three way

D.   Fourth way

3: Statistic used to test differences between group means is called

A.   A ratio

B.   F ratio

C.   M ratio

D.   X ratio

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

A.   True

B.   False

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

A.   A

B.   B

C.   C

D.   R

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

A.   Planned

B.   Unplanned

C.   Analytical

D.   All of these

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

A.   Planned

B.   Unplanned

C.   Analytical

D.   All of these

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

A.   True

B.   False

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

A.   I

B.   II

C.   III

D.   IV

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

A.   True

B.   False

11: Analytical comparisons between two groups is ____ comparisons

A.   Simple

B.   Complex

C.   Constant

D.   Equal

12: Analytical comparisons involving more than two groups is ___ comparisons

A.   Simple

B.   Complex

C.   Constant

D.   Equal

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

A.   True

B.   False

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

A.   True

B.   False

15: 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

A.   2

B.   3

C.   4

D.   It cannot be determined from the ANOVA summary table.

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

A.   True

B.   False

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

A.   2

B.   8

C.   24

D.   26

18: (# groups –1) is ______.

A.   DfBG

B.   DfWG

C.   The critical value for an F-ratio

D.   MSWG

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

A.   All µs are equal.

B.   Not all µs are equal.

C.   Not all sample means are equal.

D.   All sample means are equal.

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

A.   True

B.   False

21: An F-ratio is ______.

A.   Between-group variance/within-group variance

B.   Within-group variance/between-group variance

C.   Always < 1.00

D.   Always between –1.00 and +1.00

22: 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?

A.   11

B.   12

C.   47

D.   44

23: 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

A.   2.96

B.   3.01

C.   3.37

D.   3.42

24: 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

A.   24

B.   25

C.   27

D.   28

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

A.   True

B.   False

26: An F-ratio can be either positive or negative.

A.   True

B.   False

27: 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

A.   True

B.   False

28: 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?

A.   3.01

B.   3.86

C.   4.46

D.   3.40

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

A.   3

B.   7

C.   28

D.   31