Question 1

For the following data, what is the value of SSB?

Accepted Answer

A)  0 
B) 10 
C)  20 
D)  40 
A)  0 
B) 10 
C)  20 
D)  40

Question 2

A two-factor, independent-measures research study is evaluated using an analysis of variance.The F-ratio for factor A has df = 1, 40 and the F-ratio for factor B has df = 3, 40.Based on this information, what are the df values for the AxB interaction?

Accepted Answer

A) df = 2, 40 
B) df = 3, 40 
C) df = 4, 40 
D) df = 7, 40 
A) df = 2, 40 
B) df = 3, 40 
C) df = 4, 40 
D) df = 7, 40

Question 3

If the results of a two-factor ANOVA show no main effect for factor A and no significant interaction, then it is safe to conclude that factor A has no effect on the parfticipants' scores.

Accepted Answer

A) True 
 B)False

Question 4

A two-factor study with two levels of factor A and three levels of factor B uses a separate group of n = 5 participants in each treatment condition.How many participants are needed for the entire study?

Accepted Answer

A) 5 
B) 10 
C) 25 
D) 30 
A) 5 
B) 10 
C) 25 
D) 30

Question 5

For a two-factor study with 2 levels of factor A, 2 levels of factor B, and a separate sample of n = 10 participants in each treatment condition, what is dfwithin treatments?

Accepted Answer

A) 9 
B) 18 
C) 36 
D) 39 
A) 9 
B) 18 
C) 36 
D) 39

Question 6

For the following data, what is the value of SSwithin?

Accepted Answer

A)  10 
B)  20 
C)  40 
D)  60 
A)  10 
B)  20 
C)  40 
D)  60

Question 7

For a two-factor experiment with 2 levels of factor A and 3 levels of factor B and n = 10 subjects in each treatment condition, how many participants are in each level of factor B?

Accepted Answer

A) 10 
B) 20 
C) 30 
D) 60 
A) 10 
B) 20 
C) 30 
D) 60

Question 8

The results of a two-factor analysis of variance produce df = 2, 36 for the F-ratio for factor A and df = 2, 36 for the F-ratio for factor B.How many participants are in each of the treatment conditions?

Accepted Answer

A) 4 
B) 5 
C) 6 
D) 10 
A) 4 
B) 5 
C) 6 
D) 10

Question 9

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 will use a total of 25 participants.

Accepted Answer

A) True 
 B)False

Question 10

The following data represent the means for each treatment condition in a two factor experiment.Note that one mean is not given.What value for the missing mean would result in no main effect for factor B?

Accepted Answer

A)  20 
B)  30 
C)  40 
D)  50 
A)  20 
B)  30 
C)  40 
D)  50

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

How many separate groups of participants would be needed for an independent-measures, two-factor study with 3 levels of factor A and 4 levels of factor B.

Accepted Answer

A) 3 
B) 4 
C) 7 
D) 12 
A) 3 
B) 4 
C) 7 
D) 12

Question 13

The results of a two-factor analysis of variance produce df = 2, 36 for the F-ratio for factor A and df = 2, 36 for the F-ratio for factor B.What are the df values for the AxB interaction?

Accepted Answer

A) 1, 36 
B) 2, 36 
C) 3, 36 
D) 4, 36 
A) 1, 36 
B) 2, 36 
C) 3, 36 
D) 4, 36

Question 14

In a line graph showing the results from a two-factor experiment, the levels of factor B are presented on the X-axis and separate lines are used to display the means for A1 and A2.If the points on the line for A1 are consistently 5 points higher than the corresponding point on the line for A2, what pattern of results is indicated?

Accepted Answer

A) no indication of an interaction 
B) an indication of an overall A-effect 
C) an indication of an A-effect but no indication of an interaction 
D) an indication of an interaction but no indication of an A-effect 
A) no indication of an interaction 
B) an indication of an overall A-effect 
C) an indication of an A-effect but no indication of an interaction 
D) an indication of an interaction but no indication of an A-effect

Question 15

A two-factor analysis of variance produces an F-ratio for factor A that has df = 3, 36.This analysis is comparing three different levels of factor A.

Accepted Answer

A) True 
 B)False

Question 16

The results from a two-factor analysis of variance show a significant main effect for factor A and a significant main effect for factor B.Based on this information, what can you conclude about the main effects?

Accepted Answer

A) there must by a significant interaction. 
B) there probably is a significant interaction 
C) the interaction cannot be significant. 
D) you cannot make any conclusion about the significance of the interaction. 
A) there must by a significant interaction. 
B) there probably is a significant interaction 
C) the interaction cannot be significant. 
D) you cannot make any conclusion about the significance of the interaction.

Question 17

In a two?factor analysis of variance a main effect is defined as _____.

Accepted Answer

A) the mean differences among the levels of one factor 
B) the mean differences among all treatment conditions 
C) the mean difference between the two factors 
D) the difference between the largest treatment mean and the smallest treatment mean 
A) the mean differences among the levels of one factor 
B) the mean differences among all treatment conditions 
C) the mean difference between the two factors 
D) the difference between the largest treatment mean and the smallest treatment mean

Question 18

For the following data, what is the value of SSbet.treatments?

Accepted Answer

A)  10 
B)  20 
C)  30 
D)  40 
A)  10 
B)  20 
C)  30 
D)  40

Question 19

Which of the following not used in an F-ratio for the two-factor analysis of variance?

Accepted Answer

A) MSA 
B) MSAxB 
C) MSbetween treatments  
D) MSwithin treatments 
A) MSA 
B) MSAxB 
C) MSbetween treatments  
D) MSwithin treatments

Question 20

A two-factor, independent-measures research study with 2 levels of factor A and 2 levels of factor B would require 2 separate groups of participants.

Accepted Answer

A) True 
 B)False

For the following data, what is the value of SS_B?

A two-factor, independent-measures research study is evaluated using an analysis of variance.The F-ratio for factor A has df = 1, 40 and the F-ratio for factor B has df = 3, 40.Based on this information, what are the df values for the AxB interaction?

If the results of a two-factor ANOVA show no main effect for factor A and no significant interaction, then it is safe to conclude that factor A has no effect on the parfticipants' scores.

A two-factor study with two levels of factor A and three levels of factor B uses a separate group of n = 5 participants in each treatment condition.How many participants are needed for the entire study?

For a two-factor study with 2 levels of factor A, 2 levels of factor B, and a separate sample of n = 10 participants in each treatment condition, what is df_{within treatments}?

For the following data, what is the value of SS_within?

For a two-factor experiment with 2 levels of factor A and 3 levels of factor B and n = 10 subjects in each treatment condition, how many participants are in each level of factor B?

The results of a two-factor analysis of variance produce df = 2, 36 for the F-ratio for factor A and df = 2, 36 for the F-ratio for factor B.How many participants are in each of the treatment conditions?

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 will use a total of 25 participants.

The following data represent the means for each treatment condition in a two factor experiment.Note that one mean is not given.What value for the missing mean would result in no main effect for factor B?

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

How many separate groups of participants would be needed for an independent-measures, two-factor study with 3 levels of factor A and 4 levels of factor B.

The results of a two-factor analysis of variance produce df = 2, 36 for the F-ratio for factor A and df = 2, 36 for the F-ratio for factor B.What are the df values for the AxB interaction?

A two-factor analysis of variance produces an F-ratio for factor A that has df = 3, 36.This analysis is comparing three different levels of factor A.

The results from a two-factor analysis of variance show a significant main effect for factor A and a significant main effect for factor B.Based on this information, what can you conclude about the main effects?

In a two?factor analysis of variance a main effect is defined as _____.

For the following data, what is the value of SS_bet._treatments?

Which of the following not used in an F-ratio for the two-factor analysis of variance?

A two-factor, independent-measures research study with 2 levels of factor A and 2 levels of factor B would require 2 separate groups of participants.

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

Introduction to Analysis of Variance

Repeated-Measures Anova

Correlation

Introduction to Regression

Chi-Square Tests

The Binomial Test

Choosing the Right Statistics

Filters

Exam 14: Two-Factor Analysis of Variance

For the following data, what is the value of SSB?

A two-factor, independent-measures research study is evaluated using an analysis of variance.The F-ratio for factor A has df = 1, 40 and the F-ratio for factor B has df = 3, 40.Based on this information, what are the df values for the AxB interaction?

If the results of a two-factor ANOVA show no main effect for factor A and no significant interaction, then it is safe to conclude that factor A has no effect on the parfticipants' scores.

A two-factor study with two levels of factor A and three levels of factor B uses a separate group of n = 5 participants in each treatment condition.How many participants are needed for the entire study?

For a two-factor study with 2 levels of factor A, 2 levels of factor B, and a separate sample of n = 10 participants in each treatment condition, what is dfwithin treatments?

For the following data, what is the value of SSwithin?

For a two-factor experiment with 2 levels of factor A and 3 levels of factor B and n = 10 subjects in each treatment condition, how many participants are in each level of factor B?

The results of a two-factor analysis of variance produce df = 2, 36 for the F-ratio for factor A and df = 2, 36 for the F-ratio for factor B.How many participants are in each of the treatment conditions?

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 will use a total of 25 participants.

The following data represent the means for each treatment condition in a two factor experiment.Note that one mean is not given.What value for the missing mean would result in no main effect for factor B?

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

How many separate groups of participants would be needed for an independent-measures, two-factor study with 3 levels of factor A and 4 levels of factor B.

The results of a two-factor analysis of variance produce df = 2, 36 for the F-ratio for factor A and df = 2, 36 for the F-ratio for factor B.What are the df values for the AxB interaction?

A two-factor analysis of variance produces an F-ratio for factor A that has df = 3, 36.This analysis is comparing three different levels of factor A.

The results from a two-factor analysis of variance show a significant main effect for factor A and a significant main effect for factor B.Based on this information, what can you conclude about the main effects?

In a two?factor analysis of variance a main effect is defined as _____.

For the following data, what is the value of SSbet.treatments?

Which of the following not used in an F-ratio for the two-factor analysis of variance?

A two-factor, independent-measures research study with 2 levels of factor A and 2 levels of factor B would require 2 separate groups of participants.

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

Introduction to Analysis of Variance

Repeated-Measures Anova

Correlation

Introduction to Regression

Chi-Square Tests

The Binomial Test

Choosing the Right Statistics

Filters

For the following data, what is the value of SS_B?

For a two-factor study with 2 levels of factor A, 2 levels of factor B, and a separate sample of n = 10 participants in each treatment condition, what is df_{within treatments}?

For the following data, what is the value of SS_within?

For the following data, what is the value of SS_bet._treatments?