Exam 12: Introduction to Analysis of Variance

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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?

(Multiple Choice)

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Question 61

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

(True/False)

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Question 62

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?

(Multiple Choice)

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Question 63

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.

(True/False)

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Question 64

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?

(Multiple Choice)

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Question 65

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

(True/False)

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Question 66

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.

(True/False)

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Question 67

SS_within measures the size of the sample variances.

(True/False)

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Question 68

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

(True/False)

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Question 69

What is the purpose for post tests?

(Multiple Choice)

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Question 70

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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?

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

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?

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.

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?

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

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.

SS_within measures the size of the sample variances.

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

What is the purpose for post tests?

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

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?

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

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?

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.

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?

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

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.

SSwithin measures the size of the sample variances.

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

What is the purpose for post tests?

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

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

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?

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.

SS_within measures the size of the sample variances.