Question 1

What is the purpose for post tests?

Accepted Answer

A)  to determine whether or not a Type I error was committed.
B)  to determine how much difference exists between the treatments.
C)  to determine which treatments are significantly different.
D)  none of the above.E) B) and C)
F) None of the above

Question 2

For an analysis of variance comparing three treatment means, H0 states that all three population means are the same and H1 states that all three population means are different.

Accepted Answer

A) True 
 B)False

Question 3

If an analysis of variance produces SSbetween = 20 and SSwithin = 40, then η2 = 0.50.

Accepted Answer

A) True 
 B)False

Question 4

An ANOVA is used to determine whether significant difference exist, and post test are used to determine exactly which treatment means are significantly different.

Accepted Answer

A) True 
 B)False

Question 5

A research report presents the results of an independent-measures ANOVA as follows:
F(3, 28) = 5.36, p < .01.If all the samples were the same size, then each sample had n = 7 participants.

Accepted Answer

A) True 
 B)False

Question 6

An analysis of variances produces dfbetween = 3 and dfwithin  = 24.If each treatment has the same number of participants, then how many participants are in each treatment?

Accepted Answer

A)  6
B)  7
C)  8
D)  9E) C) and D)
F) A) and B)

Question 7

If an analysis of variance produces a value of F = 0, then all of the samples have exactly the same mean.

Accepted Answer

A) True 
 B)False

Question 8

SSwithin measures the size of the sample variances.

Accepted Answer

A) True 
 B)False

Question 9

The following table shows the results of an analysis of variance comparing two treatment conditions with a sample of n = 11 participants in each treatment.  Note that several values are missing in the table.  What is the missing value for the F-ratio?

Accepted Answer

A)  2
B)  7
C)  14
D)  28E) A) and B)
F) A) and C)

Question 10

For an independent-measures experiment comparing two treatment conditions with a sample of n = 10 in each treatment, which of the following identifies the correct df for the F?ratio?

Accepted Answer

A)  1, 18
B)  1, 19
C)  2, 18
D)  2, 19E) A) and C)
F) A) and D)

Exam 12: Introduction to Analysis of Variance

For an independent-measures experiment comparing two treatment conditions with a sample of n = 10 in each treatment, which of the following identifies the correct df for the F?ratio?

Correct Answer
verified

An ANOVA is used to determine whether significant difference exist, and post test are used to determine exactly which treatment means are significantly different.

Correct Answer
verified

An analysis of variances produces df_between = 3 and df_within = 24.If each treatment has the same number of participants, then how many participants are in each treatment?

Correct Answer
verified

What is the purpose for post tests?

Correct Answer
verified

SS_within measures the size of the sample variances.

Correct Answer
verified

The following table shows the results of an analysis of variance comparing two treatment conditions with a sample of n = 11 participants in each treatment. Note that several values are missing in the table. What is the missing value for the F-ratio?

Correct Answer
verified

A research report presents the results of an independent-measures ANOVA as follows: F(3, 28) = 5.36, p < .01.If all the samples were the same size, then each sample had n = 7 participants.

Correct Answer
verified

If an analysis of variance produces a value of F = 0, then all of the samples have exactly the same mean.

Correct Answer
verified

For an analysis of variance comparing three treatment means, H₀ states that all three population means are the same and H₁ states that all three population means are different.

Correct Answer
verified

If an analysis of variance produces SS_between = 20 and SS_within = 40, then η² = 0.50.

Correct Answer
verified

Exam 12: Introduction to Analysis of Variance

For an independent-measures experiment comparing two treatment conditions with a sample of n = 10 in each treatment, which of the following identifies the correct df for the F?ratio?

Correct AnswerverifiedShow Answer

An ANOVA is used to determine whether significant difference exist, and post test are used to determine exactly which treatment means are significantly different.

Correct AnswerverifiedShow Answer

An analysis of variances produces dfbetween = 3 and dfwithin = 24.If each treatment has the same number of participants, then how many participants are in each treatment?

Correct AnswerverifiedShow Answer

What is the purpose for post tests?

Correct AnswerverifiedShow Answer

SSwithin measures the size of the sample variances.

Correct AnswerverifiedShow Answer

The following table shows the results of an analysis of variance comparing two treatment conditions with a sample of n = 11 participants in each treatment. Note that several values are missing in the table. What is the missing value for the F-ratio?

Correct AnswerverifiedShow Answer

A research report presents the results of an independent-measures ANOVA as follows: F(3, 28) = 5.36, p < .01.If all the samples were the same size, then each sample had n = 7 participants.

Correct AnswerverifiedShow Answer

If an analysis of variance produces a value of F = 0, then all of the samples have exactly the same mean.

Correct AnswerverifiedShow Answer

For an analysis of variance comparing three treatment means, H0 states that all three population means are the same and H1 states that all three population means are different.

Correct AnswerverifiedShow Answer

If an analysis of variance produces SSbetween = 20 and SSwithin = 40, then η2 = 0.50.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

An analysis of variances produces df_between = 3 and df_within = 24.If each treatment has the same number of participants, then how many participants are in each treatment?

Correct Answer
verified

Correct Answer
verified

SS_within measures the size of the sample variances.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

For an analysis of variance comparing three treatment means, H₀ states that all three population means are the same and H₁ states that all three population means are different.

Correct Answer
verified

If an analysis of variance produces SS_between = 20 and SS_within = 40, then η² = 0.50.

Correct Answer
verified