Question 1

Which of the following is NOT an assumption for computing a two-way between-subjects ANOVA?

Accepted Answer

A) The population being sampled from is normally distributed. 
B) Participants were selected using a random procedure. 
C) One observation has no effect on the likelihood of another observation. 
D) There is homogeneity of variance and homogeneity of covariance. 
A) The population being sampled from is normally distributed. 
B) Participants were selected using a random procedure. 
C) One observation has no effect on the likelihood of another observation. 
D) There is homogeneity of variance and homogeneity of covariance.

Question 2

A researcher computes a 2 $\times$ 4 between-subjects ANOVA.What are the degrees of freedom for Factor B for this study?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 8 
A) 2 
B) 3 
C) 4 
D) 8

Question 3

Simple main effect tests are necessary to analyze interactions,not main effects.

Accepted Answer

A) True 
 B)False

Question 4

A simple main effect test is appropriate for analyzing which significant result?

Accepted Answer

A) a significant main effect,where k = 2 
B) a significant main effect,where k > 2 
C) a significant interaction 
D) all of the above 
A) a significant main effect,where k = 2 
B) a significant main effect,where k > 2 
C) a significant interaction 
D) all of the above

Question 5

A researcher computes two 2 $\times$ 2 between-subjects ANOVAs.In Study 1,he observes 8 participants in each cell;in Study 2,he observes 12 participants in each cell.Which study is associated with a larger value for degrees of freedom for the A $\times$ B interaction?

Accepted Answer

A) Study 1 
B) Study 2 
C) Both studies have the same degrees of freedom for the A $\times$ B interaction. 
A) Study 1 
B) Study 2 
C) Both studies have the same degrees of freedom for the A $\times$ B interaction.

Question 6

The following is a summary of a significant interaction for a two-way ANOVA: F(2,30)= 2.04,p < .05 (   = .15).What of the following must be incorrect in this report?

Accepted Answer

A) the effect size 
B) the degrees of freedom 
C) the p value 
D) the test statistic 
A) the effect size 
B) the degrees of freedom 
C) the p value 
D) the test statistic

Question 7

When the same participants are observed in each cell or group,we use the two-way between-subjects ANOVA to analyze the data.

Accepted Answer

A) True 
 B)False

Question 8

A researcher measures differences in recall between participants watching a regular or a 3-D movie clip with a romance,drama,or action theme.Different participants were observed in each group.What type of statistical design is appropriate for this study?

Accepted Answer

A) one-way between-subjects ANOVA 
B) one-way within-subjects ANOVA 
C) two-way between-subjects ANOVA 
D) both B and C 
A) one-way between-subjects ANOVA 
B) one-way within-subjects ANOVA 
C) two-way between-subjects ANOVA 
D) both B and C

Question 9

A researcher groups college students in a study based on their year in college (freshman,sophomore,junior,senior)and the type of college they attend (junior,technical,university).He concludes that perceptions of academic cheating are more positive among freshman attending junior college.To reach this conclusion,which statistical test would need to be computed?

Accepted Answer

A) a two-way between-subjects ANOVA 
B) a simple main effect test 
C) a post hoc test 
D) all of the above 
A) a two-way between-subjects ANOVA 
B) a simple main effect test 
C) a post hoc test 
D) all of the above

Question 10

Homogeneity of covariance is one assumption for computing a two-way between-subjects ANOVA.

Accepted Answer

A) True 
 B)False

Question 11

Not including the total variation,how many sources of variation are measured in a two-way between-subjects ANOVA?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
A) 2 
B) 3 
C) 4 
D) 5

Question 12

Simple main effect tests are used to analyze a significant interaction by comparing the mean differences of one factor at each level of a second factor.

Accepted Answer

A) True 
 B)False

Question 13

Using a two-way between-subjects ANOVA,we compute hypothesis tests for two main effects and one interaction.

Accepted Answer

A) True 
 B)False

Question 14

A significant interaction indicates that at least one pair of cell means significantly differs.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is a reason why it can be necessary to include two factors in the same statistical design?

Accepted Answer

A) you want to observe two groups in the same statistical design 
B) you want to analyze the main effects of a factor 
C) your hypothesis may require that you observe two factors 
D) you want to minimize the number of participants observed in your study 
A) you want to observe two groups in the same statistical design 
B) you want to analyze the main effects of a factor 
C) your hypothesis may require that you observe two factors 
D) you want to minimize the number of participants observed in your study

Question 16

The means and standard error or standard deviations measured in a study can be summarized in,

Accepted Answer

A) a figure 
B) a table 
C) the main text of a report 
D) all of the above 
A) a figure 
B) a table 
C) the main text of a report 
D) all of the above

Question 17

For the effects of a two-way between-subjects ANOVA,which values must be known to compute effect size using omega-squared?

Accepted Answer

A) mean squares 
B) sum of squares 
C) degrees of freedom 
D) all of the above 
A) mean squares 
B) sum of squares 
C) degrees of freedom 
D) all of the above

Question 18

If each main effect is significant,then the interaction must also be significant for a two-way between-subjects ANOVA.

Accepted Answer

A) True 
 B)False

Question 19

A professor compares the exam grades of students based on whether they have a learning disability (yes,no)and where they sit in the classroom (in the front,middle,or back row).Different participants were observed in each group.What type of statistical design is appropriate for this study?

Accepted Answer

A) one-way between-subjects ANOVA 
B) one-way within-subjects ANOVA 
C) two-way between-subjects ANOVA 
D) both B and C 
A) one-way between-subjects ANOVA 
B) one-way within-subjects ANOVA 
C) two-way between-subjects ANOVA 
D) both B and C

Question 20

Mean square error is the denominator for all tests using a two-way between-subjects ANOVA.

Accepted Answer

A) True 
 B)False

Which of the following is NOT an assumption for computing a two-way between-subjects ANOVA?

A researcher computes a 2 $\times$ 4 between-subjects ANOVA.What are the degrees of freedom for Factor B for this study?

Simple main effect tests are necessary to analyze interactions,not main effects.

A simple main effect test is appropriate for analyzing which significant result?

A researcher computes two 2 $\times$ 2 between-subjects ANOVAs.In Study 1,he observes 8 participants in each cell;in Study 2,he observes 12 participants in each cell.Which study is associated with a larger value for degrees of freedom for the A $\times$ B interaction?

The following is a summary of a significant interaction for a two-way ANOVA: F(2,30)= 2.04,p < .05 ( = .15).What of the following must be incorrect in this report?

When the same participants are observed in each cell or group,we use the two-way between-subjects ANOVA to analyze the data.

A researcher measures differences in recall between participants watching a regular or a 3-D movie clip with a romance,drama,or action theme.Different participants were observed in each group.What type of statistical design is appropriate for this study?

Homogeneity of covariance is one assumption for computing a two-way between-subjects ANOVA.

Not including the total variation,how many sources of variation are measured in a two-way between-subjects ANOVA?

Simple main effect tests are used to analyze a significant interaction by comparing the mean differences of one factor at each level of a second factor.

Using a two-way between-subjects ANOVA,we compute hypothesis tests for two main effects and one interaction.

A significant interaction indicates that at least one pair of cell means significantly differs.

Which of the following is a reason why it can be necessary to include two factors in the same statistical design?

The means and standard error or standard deviations measured in a study can be summarized in,

For the effects of a two-way between-subjects ANOVA,which values must be known to compute effect size using omega-squared?

If each main effect is significant,then the interaction must also be significant for a two-way between-subjects ANOVA.

A professor compares the exam grades of students based on whether they have a learning disability (yes,no)and where they sit in the classroom (in the front,middle,or back row).Different participants were observed in each group.What type of statistical design is appropriate for this study?

Mean square error is the denominator for all tests using a two-way between-subjects ANOVA.

Introduction to Statistics

Summarizing Data: Frequency Distributions in

Summarizing Data: Central Tendency

Summarizing Data: Variability

Probability, Normal Distributions, and Z Scores

Characteristics of the Sample Mean

Hypothesis Testing: Significance, Effect Size, and Power

Testing Means: One-Sample T Test With Confidence Intervals

Testing Means: Two- Independent-Sample T Test With Confidence Intervals

Testing Means: Related-Samples T Test With Confidence Intervals

One-Way Analysis of Variance: Between- Subjects and Within- Subjects Repeated- Measures Designs

Two-Way Analysis of Variance: Between-Subjects Factorial Design

Correlation and Linear Regression

Nonparametric Tests for Ordinal Data: Understanding and Interpretation

Chi-Square Tests: Goodness-of-Fit and Independence

Understanding Regression Analysis

Understanding Correlation Coefficients in Statistical Analysis

Filters

Exam 14: Chi-Square Tests: Goodness of Fit and the Test for Independence

Which of the following is NOT an assumption for computing a two-way between-subjects ANOVA?

A researcher computes a 2 ×\times× 4 between-subjects ANOVA.What are the degrees of freedom for Factor B for this study?

Simple main effect tests are necessary to analyze interactions,not main effects.

A simple main effect test is appropriate for analyzing which significant result?

A researcher computes two 2 ×\times× 2 between-subjects ANOVAs.In Study 1,he observes 8 participants in each cell;in Study 2,he observes 12 participants in each cell.Which study is associated with a larger value for degrees of freedom for the A ×\times× B interaction?

The following is a summary of a significant interaction for a two-way ANOVA: F(2,30)= 2.04,p < .05 ( = .15).What of the following must be incorrect in this report?

When the same participants are observed in each cell or group,we use the two-way between-subjects ANOVA to analyze the data.

A researcher measures differences in recall between participants watching a regular or a 3-D movie clip with a romance,drama,or action theme.Different participants were observed in each group.What type of statistical design is appropriate for this study?

Homogeneity of covariance is one assumption for computing a two-way between-subjects ANOVA.

Not including the total variation,how many sources of variation are measured in a two-way between-subjects ANOVA?

Simple main effect tests are used to analyze a significant interaction by comparing the mean differences of one factor at each level of a second factor.

Using a two-way between-subjects ANOVA,we compute hypothesis tests for two main effects and one interaction.

A significant interaction indicates that at least one pair of cell means significantly differs.

Which of the following is a reason why it can be necessary to include two factors in the same statistical design?

The means and standard error or standard deviations measured in a study can be summarized in,

For the effects of a two-way between-subjects ANOVA,which values must be known to compute effect size using omega-squared?

If each main effect is significant,then the interaction must also be significant for a two-way between-subjects ANOVA.

A professor compares the exam grades of students based on whether they have a learning disability (yes,no)and where they sit in the classroom (in the front,middle,or back row).Different participants were observed in each group.What type of statistical design is appropriate for this study?

Mean square error is the denominator for all tests using a two-way between-subjects ANOVA.

Introduction to Statistics

Summarizing Data: Frequency Distributions in

Summarizing Data: Central Tendency

Summarizing Data: Variability

Probability, Normal Distributions, and Z Scores

Characteristics of the Sample Mean

Hypothesis Testing: Significance, Effect Size, and Power

Testing Means: One-Sample T Test With Confidence Intervals

Testing Means: Two- Independent-Sample T Test With Confidence Intervals

Testing Means: Related-Samples T Test With Confidence Intervals

One-Way Analysis of Variance: Between- Subjects and Within- Subjects Repeated- Measures Designs

Two-Way Analysis of Variance: Between-Subjects Factorial Design

Correlation and Linear Regression

Nonparametric Tests for Ordinal Data: Understanding and Interpretation

Chi-Square Tests: Goodness-of-Fit and Independence

Understanding Regression Analysis

Understanding Correlation Coefficients in Statistical Analysis

Filters

A researcher computes a 2 $\times$ 4 between-subjects ANOVA.What are the degrees of freedom for Factor B for this study?

A researcher computes two 2 $\times$ 2 between-subjects ANOVAs.In Study 1,he observes 8 participants in each cell;in Study 2,he observes 12 participants in each cell.Which study is associated with a larger value for degrees of freedom for the A $\times$ B interaction?