Question 1

A two-factor analysis of variance with 2 levels of factor A and 3 levels of factor B involves six separate hypothesis tests.

Accepted Answer

A) True 
 B)False

Question 2

If the mean and variance are computed for each sample in an independent-measures,two-factor experiment,which of the following types of sample data will tend to produce large F-ratios for the two-factor ANOVA?

Accepted Answer

A) Large differences between sample means and small sample variances 
B) Large differences between sample means and large sample variances 
C) Small differences between sample means and small sample variances 
D) Small differences between sample means and large sample variances 
A) Large differences between sample means and small sample variances 
B) Large differences between sample means and large sample variances 
C) Small differences between sample means and small sample variances 
D) Small differences between sample means and large sample variances

Question 3

A two-factor research study has 2 levels of factor A and three 3 of factor B with n = 8 participants in each treatment condition.For this study,what is the value for dfbetween treatments?

Accepted Answer

A) 3 
B) 4 
C) 5 
D) 6 
A) 3 
B) 4 
C) 5 
D) 6

Question 4

If the F-ratio for factor A has df = 1,40 and the F-ratio for factor B has df = 3,40,then the F-ratio for the interaction must have df = 2,40.

Accepted Answer

A) True 
 B)False

Question 5

A repeated-measures study uses a sample of n = 8 participants to evaluate the mean differences between two treatment conditions.The analysis of variance for this study will have dferror = 7.

Accepted Answer

A) True 
 B)False

Question 6

For an independent-measures two-factor analysis of variance,all of the F-ratios use the same denominator.

Accepted Answer

A) True 
 B)False

Question 7

A researcher reports an F-ratio with df = 2,40 from a repeated-measures ANOVA.How many subjects participated in this experiment?

Accepted Answer

A) 44 
B) 41 
C) 63 
D) 21 
A) 44 
B) 41 
C) 63 
D) 21

Question 8

For a repeated-measures study comparing three treatment conditions with a sample of n = 4 participants,the participant totals (the P values)are 3,6,9,and 6.What is the value for SSbetween subjects?

Accepted Answer

A) 2 
B) 3 
C) 6 
D) 10 
A) 2 
B) 3 
C) 6 
D) 10

Question 9

A repeated-measures study has n = 8 participants and k = 3 treatments.For this study,dferror= 21.

Accepted Answer

A) True 
 B)False

Question 10

A two-factor study compares 2 levels of factor A and 2 levels of factor B with a sample of n = 20 participants in each treatment condition.If the results are evaluated with a two-factor ANOVA,all the F-ratios will have df = 1,76.

Accepted Answer

A) True 
 B)False

Question 11

For an independent-measures two-factor experiment,the bigger the values for the sample variances,the more likely it is that at least one of the F-ratios will be significant.

Accepted Answer

A) True 
 B)False

Question 12

The repeated-measures ANOVA is a two-stage process.Which of the following accurately describes what happens during this process?

Accepted Answer

A) The first stage removes individual differences from the numerator of the F-ratio,and the second stage removes individual differences from the denominator. 
B) The first stage removes individual differences from the numerator. 
C) The second stage removes individual differences from the denominator. 
D) None of these 
A) The first stage removes individual differences from the numerator of the F-ratio,and the second stage removes individual differences from the denominator. 
B) The first stage removes individual differences from the numerator. 
C) The second stage removes individual differences from the denominator. 
D) None of these

Question 13

What is the correct denominator for the repeated-measures F-ratio?

Accepted Answer

A) MSerror 
B) MSwithin 
C) MSbetween subjects 
D) MSbetween treatments 
A) MSerror 
B) MSwithin 
C) MSbetween subjects 
D) MSbetween treatments

Question 14

In an independent-measures ANOVA,individual differences contribute to the variance in the numerator and in the denominator of the F-ratio.For a repeated-measures ANOVA,what happens to the individual differences in the numerator of the F-ratio?

Accepted Answer

A) They do not exist because the same individuals participate in all of the treatments. 
B) They are measured and subtracted out in the second stage of the analysis. 
C) Individual differences contribute to the variance in the numerator. 
D) None of the other options accurately describes individual differences in the numerator. 
A) They do not exist because the same individuals participate in all of the treatments. 
B) They are measured and subtracted out in the second stage of the analysis. 
C) Individual differences contribute to the variance in the numerator. 
D) None of the other options accurately describes individual differences in the numerator.

Question 15

The analysis of total variability into between-treatments and within-treatments variability is the same for a repeated-measures ANOVA and an independent-measures ANOVA.

Accepted Answer

A) True 
 B)False

Question 16

For a two-factor analysis of variance,the significance of any specific F-ratio is completely independent of the significance of the other F-ratios.

Accepted Answer

A) True 
 B)False

Question 17

A repeated-measures study uses a sample of n = 15 participants to evaluate the mean differences among four treatment conditions.In the analysis of variance for this study,what is the value for dfbetween treatments?

Accepted Answer

A) 3 
B) 4 
C) 5 
D) 59 
A) 3 
B) 4 
C) 5 
D) 59

Question 18

A two-factor study compares 2 levels of factor A and 3 levels of factor B with a sample of n = 5 participants in each treatment condition.This study uses a total of 25 participants.

Accepted Answer

A) True 
 B)False

Question 19

If the F-ratios for factor A has df = 1,36 and the F-ratio for the interaction has df = 2,36,then the F-ratio for factor B will also have df = 2,36.

Accepted Answer

A) True 
 B)False

Question 20

The results of a two-factor analysis of variance produce df = 1,30 for the F-ratio for factor A,and df = 2,30 for the F-ratio for the AxB interaction.Based on this information,how many levels of factor B were compared in the study?

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

A two-factor analysis of variance with 2 levels of factor A and 3 levels of factor B involves six separate hypothesis tests.

If the mean and variance are computed for each sample in an independent-measures,two-factor experiment,which of the following types of sample data will tend to produce large F-ratios for the two-factor ANOVA?

A two-factor research study has 2 levels of factor A and three 3 of factor B with n = 8 participants in each treatment condition.For this study,what is the value for df_{between treatments}?

If the F-ratio for factor A has df = 1,40 and the F-ratio for factor B has df = 3,40,then the F-ratio for the interaction must have df = 2,40.

A repeated-measures study uses a sample of n = 8 participants to evaluate the mean differences between two treatment conditions.The analysis of variance for this study will have df_error = 7.

For an independent-measures two-factor analysis of variance,all of the F-ratios use the same denominator.

A researcher reports an F-ratio with df = 2,40 from a repeated-measures ANOVA.How many subjects participated in this experiment?

For a repeated-measures study comparing three treatment conditions with a sample of n = 4 participants,the participant totals (the P values)are 3,6,9,and 6.What is the value for SS_{between subjects}?

A repeated-measures study has n = 8 participants and k = 3 treatments.For this study,df_error= 21.

A two-factor study compares 2 levels of factor A and 2 levels of factor B with a sample of n = 20 participants in each treatment condition.If the results are evaluated with a two-factor ANOVA,all the F-ratios will have df = 1,76.

For an independent-measures two-factor experiment,the bigger the values for the sample variances,the more likely it is that at least one of the F-ratios will be significant.

The repeated-measures ANOVA is a two-stage process.Which of the following accurately describes what happens during this process?

What is the correct denominator for the repeated-measures F-ratio?

In an independent-measures ANOVA,individual differences contribute to the variance in the numerator and in the denominator of the F-ratio.For a repeated-measures ANOVA,what happens to the individual differences in the numerator of the F-ratio?

The analysis of total variability into between-treatments and within-treatments variability is the same for a repeated-measures ANOVA and an independent-measures ANOVA.

For a two-factor analysis of variance,the significance of any specific F-ratio is completely independent of the significance of the other F-ratios.

A repeated-measures study uses a sample of n = 15 participants to evaluate the mean differences among four treatment conditions.In the analysis of variance for this study,what is the value for df_{between treatments}?

A two-factor study compares 2 levels of factor A and 3 levels of factor B with a sample of n = 5 participants in each treatment condition.This study uses a total of 25 participants.

If the F-ratios for factor A has df = 1,36 and the F-ratio for the interaction has df = 2,36,then the F-ratio for factor B will also have df = 2,36.

The results of a two-factor analysis of variance produce df = 1,30 for the F-ratio for factor A,and df = 2,30 for the F-ratio for the AxB interaction.Based on this information,how many levels of factor B were compared in the study?

Introduction to Statistics

Frequency Distributions

Measures of Central Tendency

Measures of Variability

Z-Scores

Probability

Probability and Samples:

Introduction to Hypothesis Testing

Introduction to the T Statistic

The T Test for Two Independent Samples

The T Test for Two Related Samples

Introduction to Analysis of Variance

Correlation and Regression

Chi-Square Tests

Filters

Exam 13: Repeated-Measures and Two-Factor Anova

A two-factor analysis of variance with 2 levels of factor A and 3 levels of factor B involves six separate hypothesis tests.

If the mean and variance are computed for each sample in an independent-measures,two-factor experiment,which of the following types of sample data will tend to produce large F-ratios for the two-factor ANOVA?

A two-factor research study has 2 levels of factor A and three 3 of factor B with n = 8 participants in each treatment condition.For this study,what is the value for dfbetween treatments?

If the F-ratio for factor A has df = 1,40 and the F-ratio for factor B has df = 3,40,then the F-ratio for the interaction must have df = 2,40.

A repeated-measures study uses a sample of n = 8 participants to evaluate the mean differences between two treatment conditions.The analysis of variance for this study will have dferror = 7.

For an independent-measures two-factor analysis of variance,all of the F-ratios use the same denominator.

A researcher reports an F-ratio with df = 2,40 from a repeated-measures ANOVA.How many subjects participated in this experiment?

For a repeated-measures study comparing three treatment conditions with a sample of n = 4 participants,the participant totals (the P values)are 3,6,9,and 6.What is the value for SSbetween subjects?

A repeated-measures study has n = 8 participants and k = 3 treatments.For this study,dferror= 21.

A two-factor study compares 2 levels of factor A and 2 levels of factor B with a sample of n = 20 participants in each treatment condition.If the results are evaluated with a two-factor ANOVA,all the F-ratios will have df = 1,76.

For an independent-measures two-factor experiment,the bigger the values for the sample variances,the more likely it is that at least one of the F-ratios will be significant.

The repeated-measures ANOVA is a two-stage process.Which of the following accurately describes what happens during this process?

What is the correct denominator for the repeated-measures F-ratio?

In an independent-measures ANOVA,individual differences contribute to the variance in the numerator and in the denominator of the F-ratio.For a repeated-measures ANOVA,what happens to the individual differences in the numerator of the F-ratio?

The analysis of total variability into between-treatments and within-treatments variability is the same for a repeated-measures ANOVA and an independent-measures ANOVA.

For a two-factor analysis of variance,the significance of any specific F-ratio is completely independent of the significance of the other F-ratios.

A repeated-measures study uses a sample of n = 15 participants to evaluate the mean differences among four treatment conditions.In the analysis of variance for this study,what is the value for dfbetween treatments?

A two-factor study compares 2 levels of factor A and 3 levels of factor B with a sample of n = 5 participants in each treatment condition.This study uses a total of 25 participants.

If the F-ratios for factor A has df = 1,36 and the F-ratio for the interaction has df = 2,36,then the F-ratio for factor B will also have df = 2,36.

The results of a two-factor analysis of variance produce df = 1,30 for the F-ratio for factor A,and df = 2,30 for the F-ratio for the AxB interaction.Based on this information,how many levels of factor B were compared in the study?

Introduction to Statistics

Frequency Distributions

Measures of Central Tendency

Measures of Variability

Z-Scores

Probability

Probability and Samples:

Introduction to Hypothesis Testing

Introduction to the T Statistic

The T Test for Two Independent Samples

The T Test for Two Related Samples

Introduction to Analysis of Variance

Correlation and Regression

Chi-Square Tests

Filters

A two-factor research study has 2 levels of factor A and three 3 of factor B with n = 8 participants in each treatment condition.For this study,what is the value for df_{between treatments}?

A repeated-measures study uses a sample of n = 8 participants to evaluate the mean differences between two treatment conditions.The analysis of variance for this study will have df_error = 7.

For a repeated-measures study comparing three treatment conditions with a sample of n = 4 participants,the participant totals (the P values)are 3,6,9,and 6.What is the value for SS_{between subjects}?

A repeated-measures study has n = 8 participants and k = 3 treatments.For this study,df_error= 21.

A repeated-measures study uses a sample of n = 15 participants to evaluate the mean differences among four treatment conditions.In the analysis of variance for this study,what is the value for df_{between treatments}?