Question 1

For an analysis of variance comparing four treatments, MSbetween = 12.What is the value of SSbetween?

Accepted Answer

A) 3 
B) 4 
C) 36 
D) 48 
A) 3 
B) 4 
C) 36 
D) 48

Question 2

In an independent-measures experiment with three treatment conditions has a sample of n = 10 scores in each treatment.If all three treatments have the same total, T1 = T2 = T3, what is SSbetween?

Accepted Answer

A) 0 
B) 1.00 
C) 10(3) 
D) cannot be determined from the information given 
A) 0 
B) 1.00 
C) 10(3) 
D) cannot be determined from the information given

Question 3

A researcher reports an F?ratio with df = 1, 24 for an independent-measures experiment.If all the treatments had the same number of participants, then how many individuals were in each treatment?

Accepted Answer

A) 11 
B) 12 
C) 13 
D) 14 
A) 11 
B) 12 
C) 13 
D) 14

Question 4

The F-ratio for an analysis of variance comparing three treatments with n = 10 in each treatment would have df = 2, 29.

Accepted Answer

A) True 
 B)False

Question 5

A researcher reports an F-ratio with df = 2, 18 from an independent-measures research study.Based on the df values, how many treatments were compared in the study and what was the total number of subjects participating in the study?

Accepted Answer

A) 2 treatments and 19 subjects 
B) 2 treatments and 20 subjects 
C) 3 treatments and 21 subjects 
D) 3 treatments and 22 subjects 
A) 2 treatments and 19 subjects 
B) 2 treatments and 20 subjects 
C) 3 treatments and 21 subjects 
D) 3 treatments and 22 subjects

Question 6

If an analysis of variance produces SSbetween treatments = 30 and MSbetween treatments = 10, then the ANOVA is comparing four treatment conditions.

Accepted Answer

A) True 
 B)False

Question 7

In an analysis of variance, which of the following is determined by the size of the sample mean differences?

Accepted Answer

A) SSbetween 
B) SSwithin  
C) dfbetween 
D) dfwithin 
A) SSbetween 
B) SSwithin  
C) dfbetween 
D) dfwithin

Question 8

A research report presents the results of an independent-measures ANOVA as follows:
F(3, 28) = 5.36, p < .01.The research study compared three treatments.

Accepted Answer

A) True 
 B)False

Question 9

An analysis of variance comparing three treatment conditions produces dftotal = 32.If the samples are all the same size, how many individuals are in each sample.

Accepted Answer

A) 9 
B) 10 
C) 11 
D) It is impossible for the samples to be the same size if dftotal = 32. 
A) 9 
B) 10 
C) 11 
D) It is impossible for the samples to be the same size if dftotal = 32.

Question 10

For an analysis of variance comparing four treatment means with a separate sample of n = 8 participants in each treatment, the F-ratio will have df = 3, 31.

Accepted Answer

A) True 
 B)False

Question 11

An analysis of variance produces SStotal = 80 and SSwithin = 30.For this analysis, what is SSbetween?

Accepted Answer

A) 30 
B) 50 
C) 110 
D) cannot be determined without additional information 
A) 30 
B) 50 
C) 110 
D) cannot be determined without additional information

Question 12

For an analysis of variance comparing three treatment means with a separate sample of n = 10 participants in each treatment, dftotal = 29.

Accepted Answer

A) True 
 B)False

Question 13

Post tests are only needed if H0 is rejected in an ANOVA comparing more than 2 treatments.

Accepted Answer

A) True 
 B)False

Question 14

A researcher uses analysis of variance to test for mean differences among three treatments with a sample of n = 12 in each treatment.The F-ratio for this analysis would have what df values?

Accepted Answer

A) df = 2, 11 
B) df = 2, 33 
C) df = 2, 35 
D) df = 2, 36 
A) df = 2, 11 
B) df = 2, 33 
C) df = 2, 35 
D) df = 2, 36

Question 15

An analysis of variances produces dftotal = 29 and dfwithin  = 27.For this analysis, how many treatment conditions are being compared?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) cannot be determined without additional information 
A) 1 
B) 2 
C) 3 
D) cannot be determined without additional information

Question 16

The following table shows the results of an analysis of variance comparing three treatment conditions with a sample of n = 10 participants in each treatment.  Note that several values are missing in the table.  What is the missing value for SStotal?

Accepted Answer

A) 22 
B) 30 
C) 54 
D) 74 
A) 22 
B) 30 
C) 54 
D) 74

Question 17

A research report concludes that there are significant differences among treatments, with "F(2, 27) = 8.62, p < .01." If the same number of participants was used in all of the treatment conditions, then how many individuals were in each treatment?

Accepted Answer

A) 7 
B) 9 
C) 10 
D) 30 
A) 7 
B) 9 
C) 10 
D) 30

Question 18

In general, what factors are most likely to reject the null hypothesis for an ANOVA?

Accepted Answer

A) small mean differences and small variances 
B) small mean differences and large variances 
C) large mean differences and small variances 
D) large mean differences and large variances 
A) small mean differences and small variances 
B) small mean differences and large variances 
C) large mean differences and small variances 
D) large mean differences and large variances

Question 19

An independent-measures research study compares three treatment conditions using a sample of n = 5 in each treatment.For this study, the three samples have SS1 = 10, SS2 = 20, and SS3 = 15.What value would be obtained for MSwithin?

Accepted Answer

A) 45/14 
B) 45/12 
C) 10/2 
D) 10/3 
A) 45/14 
B) 45/12 
C) 10/2 
D) 10/3

Question 20

What is stated by the alternative hypothesis (H1) for an ANOVA?

Accepted Answer

A) There are no differences between any of the population means. 
B) At least one of the population means is different from another mean. 
C) All of the population means are different from each other. 
D) None of the other 3 choices is correct. 
A) There are no differences between any of the population means. 
B) At least one of the population means is different from another mean. 
C) All of the population means are different from each other. 
D) None of the other 3 choices is correct.

For an analysis of variance comparing four treatments, MS_between = 12.What is the value of SS_between?

In an independent-measures experiment with three treatment conditions has a sample of n = 10 scores in each treatment.If all three treatments have the same total, T₁ = T₂ = T₃, what is SS_between?

A researcher reports an F?ratio with df = 1, 24 for an independent-measures experiment.If all the treatments had the same number of participants, then how many individuals were in each treatment?

The F-ratio for an analysis of variance comparing three treatments with n = 10 in each treatment would have df = 2, 29.

A researcher reports an F-ratio with df = 2, 18 from an independent-measures research study.Based on the df values, how many treatments were compared in the study and what was the total number of subjects participating in the study?

If an analysis of variance produces SS_{between treatments} = 30 and MS_{between treatments} = 10, then the ANOVA is comparing four treatment conditions.

In an analysis of variance, which of the following is determined by the size of the sample mean differences?

A research report presents the results of an independent-measures ANOVA as follows: F(3, 28) = 5.36, p < .01.The research study compared three treatments.

An analysis of variance comparing three treatment conditions produces df_total = 32.If the samples are all the same size, how many individuals are in each sample.

For an analysis of variance comparing four treatment means with a separate sample of n = 8 participants in each treatment, the F-ratio will have df = 3, 31.

An analysis of variance produces SS_total = 80 and SS_within = 30.For this analysis, what is SS_between?

For an analysis of variance comparing three treatment means with a separate sample of n = 10 participants in each treatment, df_total = 29.

Post tests are only needed if H₀ is rejected in an ANOVA comparing more than 2 treatments.

A researcher uses analysis of variance to test for mean differences among three treatments with a sample of n = 12 in each treatment.The F-ratio for this analysis would have what df values?

An analysis of variances produces df_total = 29 and df_within = 27.For this analysis, how many treatment conditions are being compared?

The following table shows the results of an analysis of variance comparing three treatment conditions with a sample of n = 10 participants in each treatment. Note that several values are missing in the table. What is the missing value for SStotal?

A research report concludes that there are significant differences among treatments, with "F(2, 27) = 8.62, p < .01." If the same number of participants was used in all of the treatment conditions, then how many individuals were in each treatment?

In general, what factors are most likely to reject the null hypothesis for an ANOVA?

An independent-measures research study compares three treatment conditions using a sample of n = 5 in each treatment.For this study, the three samples have SS₁= 10, SS₂= 20, and SS₃= 15.What value would be obtained for MS_within?

What is stated by the alternative hypothesis (H₁) for an ANOVA?

Introduction to Statistics

Frequency Distributions

Central Tendency

Variability

Z-Scores

Probability

The Distribution of Sample Means

Introduction to Hypothesis Testing

Introduction to the T Statistic

The T Test for Two Independent Samples

The T Test for Two Related Samples

Repeated-Measures Anova

Two-Factor Analysis of Variance

Correlation

Introduction to Regression

Chi-Square Tests

The Binomial Test

Choosing the Right Statistics

Filters

Exam 12: Introduction to Analysis of Variance

For an analysis of variance comparing four treatments, MSbetween = 12.What is the value of SSbetween?

In an independent-measures experiment with three treatment conditions has a sample of n = 10 scores in each treatment.If all three treatments have the same total, T1 = T2 = T3, what is SSbetween?

A researcher reports an F?ratio with df = 1, 24 for an independent-measures experiment.If all the treatments had the same number of participants, then how many individuals were in each treatment?

The F-ratio for an analysis of variance comparing three treatments with n = 10 in each treatment would have df = 2, 29.

A researcher reports an F-ratio with df = 2, 18 from an independent-measures research study.Based on the df values, how many treatments were compared in the study and what was the total number of subjects participating in the study?

If an analysis of variance produces SSbetween treatments = 30 and MSbetween treatments = 10, then the ANOVA is comparing four treatment conditions.

In an analysis of variance, which of the following is determined by the size of the sample mean differences?

A research report presents the results of an independent-measures ANOVA as follows: F(3, 28) = 5.36, p < .01.The research study compared three treatments.

An analysis of variance comparing three treatment conditions produces dftotal = 32.If the samples are all the same size, how many individuals are in each sample.

For an analysis of variance comparing four treatment means with a separate sample of n = 8 participants in each treatment, the F-ratio will have df = 3, 31.

An analysis of variance produces SStotal = 80 and SSwithin = 30.For this analysis, what is SSbetween?

For an analysis of variance comparing three treatment means with a separate sample of n = 10 participants in each treatment, dftotal = 29.

Post tests are only needed if H0 is rejected in an ANOVA comparing more than 2 treatments.

A researcher uses analysis of variance to test for mean differences among three treatments with a sample of n = 12 in each treatment.The F-ratio for this analysis would have what df values?

An analysis of variances produces dftotal = 29 and dfwithin = 27.For this analysis, how many treatment conditions are being compared?

The following table shows the results of an analysis of variance comparing three treatment conditions with a sample of n = 10 participants in each treatment. Note that several values are missing in the table. What is the missing value for SStotal?

A research report concludes that there are significant differences among treatments, with "F(2, 27) = 8.62, p < .01." If the same number of participants was used in all of the treatment conditions, then how many individuals were in each treatment?

In general, what factors are most likely to reject the null hypothesis for an ANOVA?

An independent-measures research study compares three treatment conditions using a sample of n = 5 in each treatment.For this study, the three samples have SS1 = 10, SS2 = 20, and SS3 = 15.What value would be obtained for MSwithin?

What is stated by the alternative hypothesis (H1) for an ANOVA?

Introduction to Statistics

Frequency Distributions

Central Tendency

Variability

Z-Scores

Probability

The Distribution of Sample Means

Introduction to Hypothesis Testing

Introduction to the T Statistic

The T Test for Two Independent Samples

The T Test for Two Related Samples

Repeated-Measures Anova

Two-Factor Analysis of Variance

Correlation

Introduction to Regression

Chi-Square Tests

The Binomial Test

Choosing the Right Statistics

Filters

For an analysis of variance comparing four treatments, MS_between = 12.What is the value of SS_between?

In an independent-measures experiment with three treatment conditions has a sample of n = 10 scores in each treatment.If all three treatments have the same total, T₁ = T₂ = T₃, what is SS_between?

If an analysis of variance produces SS_{between treatments} = 30 and MS_{between treatments} = 10, then the ANOVA is comparing four treatment conditions.

An analysis of variance comparing three treatment conditions produces df_total = 32.If the samples are all the same size, how many individuals are in each sample.

An analysis of variance produces SS_total = 80 and SS_within = 30.For this analysis, what is SS_between?

For an analysis of variance comparing three treatment means with a separate sample of n = 10 participants in each treatment, df_total = 29.

Post tests are only needed if H₀ is rejected in an ANOVA comparing more than 2 treatments.

An analysis of variances produces df_total = 29 and df_within = 27.For this analysis, how many treatment conditions are being compared?

An independent-measures research study compares three treatment conditions using a sample of n = 5 in each treatment.For this study, the three samples have SS₁= 10, SS₂= 20, and SS₃= 15.What value would be obtained for MS_within?

What is stated by the alternative hypothesis (H₁) for an ANOVA?