Question 1

Simple main effect tests are necessary to analyze a significant interaction and a significant main effect.

Accepted Answer

A) True 
 B)False  False

Question 2

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 C

Question 3

A researcher computes a two-way between-subjects ANOVA and finds a significant main effect of Factor A and an A *B interaction.Which significant effect should typically be analyzed first?

Accepted Answer

A)  the significant main effect 
B)  the significant interaction 
C)  No effect needs to be analyzed further. 
A)  the significant main effect 
B)  the significant interaction 
C)  No effect needs to be analyzed further. B

Question 4

A researcher observes the same participants across the levels of one factor and different participants across the levels of a second factor.What type of factorial design is most appropriate for this study?

Accepted Answer

A)  a 1-between, 1-within factorial design 
B)  a between-subjects factorial design 
C)  a within-subjects factorial design 
D)  none; this is not a factorial design 
A)  a 1-between, 1-within factorial design 
B)  a between-subjects factorial design 
C)  a within-subjects factorial design 
D)  none; this is not a factorial design

Question 5

A researcher has participants complete a survey regarding their level of restraint when eating.Participants were assigned to groups based on their current health status (lean,overweight,obese)and gender (male,female).What type of factorial design is most appropriate for this study?

Accepted Answer

A)  a 1-between, 1-within factorial design 
B)  a between-subjects factorial design 
C)  a within-subjects factorial design 
D)  none; this is not a factorial design 
A)  a 1-between, 1-within factorial design 
B)  a between-subjects factorial design 
C)  a within-subjects factorial design 
D)  none; this is not a factorial design

Question 6

An estimate of effect size with the two-way ANOVA is typically reported for ______.

Accepted Answer

A)  a significant main effect test 
B)  a significant interaction test 
C)  a significant main effect test and a significant interaction test 
D)  none; effect size is not reported for the two-way ANOVA 
A)  a significant main effect test 
B)  a significant interaction test 
C)  a significant main effect test and a significant interaction test 
D)  none; effect size is not reported for the two-way ANOVA

Question 7

A researcher conducts a 2*  4 between-subjects ANOVA in which 12 participants were observed in each group.If SSA = 18 and SSE = 264,then what is the decision for Factor A at a .05 level of significance using the two-way between-subjects ANOVA?

Accepted Answer

A)  reject the null hypothesis 
B)  retain the null hypothesis 
C)  there is not enough information to answer this question 
A)  reject the null hypothesis 
B)  retain the null hypothesis 
C)  there is not enough information to answer this question

Question 8

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 9

A ______ is the combination of one level from each factor.

Accepted Answer

A)  factor 
B)  cell 
C)  main effect 
D)  interaction 
A)  factor 
B)  cell 
C)  main effect 
D)  interaction

Question 10

Which of the following correctly identifies each source of variation in the two-way between-subjects ANOVA?

Accepted Answer

A)  two between-groups, one within-groups, and error 
B)  two within-groups, one between-groups, and error 
C)  two interactions, one main effect, and error 
D)  two main effects, one interaction, and error 
A)  two between-groups, one within-groups, and error 
B)  two within-groups, one between-groups, and error 
C)  two interactions, one main effect, and error 
D)  two main effects, one interaction, and error

Question 11

For the effects of a two-way between-subjects ANOVA,which values must be known to compute effect size using $\omega$2?

Accepted Answer

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

Question 12

A researcher randomly measures social adjustment among children from different family backgrounds (levels of Factor A: divorced,married,single)who engaged in one of five social activities (Factor B).For this study,10 children were observed in each group.If SSA = 10,MSB = 12,SSAXB = 48,and SSE = 405,then which effect was significant at a .05 level using the two-way between-subjects ANOVA?

Accepted Answer

A)  Factor A (family backgrounds) 
B)  Factor B (social activities) 
C)  the A*  B interaction 
D)  there were no significant effects 
A)  Factor A (family backgrounds) 
B)  Factor B (social activities) 
C)  the A*  B interaction 
D)  there were no significant effects

Question 13

There are ______ factors in a 2 *3 ANOVA design.

Accepted Answer

A)  2 
B)  3 
C)  5 
D)  6 
A)  2 
B)  3 
C)  5 
D)  6

Question 14

For a two-way ANOVA,the ______ should also be reported for each significant hypothesis test and for the simple main effect tests.

Accepted Answer

A)  effect size 
B)  critical values 
C)  individual participant data 
D)  all of these 
A)  effect size 
B)  critical values 
C)  individual participant data 
D)  all of these

Question 15

Using a two-way between-subjects ANOVA with Factor A (gender: male,female)and Factor B (type of employment: blue collar,white collar),a researcher found that scores for men and women significantly varied across the levels of the second factor (type of employment).In this study,the researcher found a significant ______.

Accepted Answer

A)  main effect of Factor A 
B)  main effect of Factor B 
C)  A * B interaction 
D)  post hoc test 
A)  main effect of Factor A 
B)  main effect of Factor B 
C)  A * B interaction 
D)  post hoc test

Question 16

For the effects of a two-way between-subjects ANOVA,which values must be known to compute effect size using $\eta$2?

Accepted Answer

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

Question 17

If a study has 12 groups,then it is possible that the degrees of freedom for each factor are 3 and 4 degrees of freedom for a two-way between-subjects ANOVA.

Accepted Answer

A) True 
 B)False

Question 18

The statistical procedure used to analyze the simple main effects of an interaction is called ______.

Accepted Answer

A)  a simple main effect test 
B)  a pairwise comparison 
C)  the proportion of variance 
D)  estimated Cohen's d 
A)  a simple main effect test 
B)  a pairwise comparison 
C)  the proportion of variance 
D)  estimated Cohen's d

Question 19

To summarize any type of two-way ANOVA,we report the test statistic,the degrees of freedom,and the p value for each significant main effect and interaction.

Accepted Answer

A) True 
 B)False

Question 20

A researcher conducts two studies using the two-way between-subjects ANOVA.The sum of squares total is smaller in Study 1 than in Study 2; the sum of squares for Factor A is the same in both studies.In which study will the effect size be larger for Factor A using $\omega$2?

Accepted Answer

A)  Study 1 
B)  Study 2 
C)  there is not enough information to answer this question 
A)  Study 1 
B)  Study 2 
C)  there is not enough information to answer this question

Simple main effect tests are necessary to analyze a significant interaction and a significant main effect.

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

A researcher computes a two-way between-subjects ANOVA and finds a significant main effect of Factor A and an A *B interaction.Which significant effect should typically be analyzed first?

A researcher observes the same participants across the levels of one factor and different participants across the levels of a second factor.What type of factorial design is most appropriate for this study?

A researcher has participants complete a survey regarding their level of restraint when eating.Participants were assigned to groups based on their current health status (lean,overweight,obese)and gender (male,female).What type of factorial design is most appropriate for this study?

An estimate of effect size with the two-way ANOVA is typically reported for ______.

A researcher conducts a 2* 4 between-subjects ANOVA in which 12 participants were observed in each group.If SS_A = 18 and SS_E = 264,then what is the decision for Factor A at a .05 level of significance using the two-way between-subjects ANOVA?

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

A ______ is the combination of one level from each factor.

Which of the following correctly identifies each source of variation in the two-way between-subjects ANOVA?

For the effects of a two-way between-subjects ANOVA,which values must be known to compute effect size using $\omega$ ²?

There are ______ factors in a 2 *3 ANOVA design.

For a two-way ANOVA,the ______ should also be reported for each significant hypothesis test and for the simple main effect tests.

For the effects of a two-way between-subjects ANOVA,which values must be known to compute effect size using $\eta$ ²?

If a study has 12 groups,then it is possible that the degrees of freedom for each factor are 3 and 4 degrees of freedom for a two-way between-subjects ANOVA.

The statistical procedure used to analyze the simple main effects of an interaction is called ______.

To summarize any type of two-way ANOVA,we report the test statistic,the degrees of freedom,and the p value for each significant main effect and interaction.

A researcher conducts two studies using the two-way between-subjects ANOVA.The sum of squares total is smaller in Study 1 than in Study 2; the sum of squares for Factor A is the same in both studies.In which study will the effect size be larger for Factor A using $\omega$ ²?

Introduction to Statistics

Summarizing Data: Frequency Distributions in Tables and Graphs

Summarizing Data: Central Tendency

Summarizing Data: Variability

Probability

Probability, normal Distributions, and Z Scores

Probability and Sampling Distributions

Hypothesis Testing: Significance,effect Size,and Power

Testing Means: One-Sample and Two-Independent-Sample T Tests

Testing Means: Truehe Related-Samples T Test

Estimation and Confidence Intervals

Analysis of Variance: One-Way Between-Subjects Design

Analysis of Variance: One-Way Within-Subjects Repeated-Measuresdesign

Correlation

Linear Regression and Multiple Regression

Nonparametric Tests: Chi-Square Tests

Nonparametric Tests: Tests for Ordinal Data

Filters

Exam 14: Analysis of Variance: Two-Way Between-Subjects Factorial Design

Simple main effect tests are necessary to analyze a significant interaction and a significant main effect.

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

A researcher computes a two-way between-subjects ANOVA and finds a significant main effect of Factor A and an A *B interaction.Which significant effect should typically be analyzed first?

A researcher observes the same participants across the levels of one factor and different participants across the levels of a second factor.What type of factorial design is most appropriate for this study?

A researcher has participants complete a survey regarding their level of restraint when eating.Participants were assigned to groups based on their current health status (lean,overweight,obese)and gender (male,female).What type of factorial design is most appropriate for this study?

An estimate of effect size with the two-way ANOVA is typically reported for ______.

A researcher conducts a 2* 4 between-subjects ANOVA in which 12 participants were observed in each group.If SSA = 18 and SSE = 264,then what is the decision for Factor A at a .05 level of significance using the two-way between-subjects ANOVA?

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

A ______ is the combination of one level from each factor.

Which of the following correctly identifies each source of variation in the two-way between-subjects ANOVA?

For the effects of a two-way between-subjects ANOVA,which values must be known to compute effect size using ω\omegaω 2?

There are ______ factors in a 2 *3 ANOVA design.

For a two-way ANOVA,the ______ should also be reported for each significant hypothesis test and for the simple main effect tests.

For the effects of a two-way between-subjects ANOVA,which values must be known to compute effect size using η\etaη 2?

If a study has 12 groups,then it is possible that the degrees of freedom for each factor are 3 and 4 degrees of freedom for a two-way between-subjects ANOVA.

The statistical procedure used to analyze the simple main effects of an interaction is called ______.

To summarize any type of two-way ANOVA,we report the test statistic,the degrees of freedom,and the p value for each significant main effect and interaction.

A researcher conducts two studies using the two-way between-subjects ANOVA.The sum of squares total is smaller in Study 1 than in Study 2; the sum of squares for Factor A is the same in both studies.In which study will the effect size be larger for Factor A using ω\omegaω 2?

Introduction to Statistics

Summarizing Data: Frequency Distributions in Tables and Graphs

Summarizing Data: Central Tendency

Summarizing Data: Variability

Probability

Probability, normal Distributions, and Z Scores

Probability and Sampling Distributions

Hypothesis Testing: Significance,effect Size,and Power

Testing Means: One-Sample and Two-Independent-Sample T Tests

Testing Means: Truehe Related-Samples T Test

Estimation and Confidence Intervals

Analysis of Variance: One-Way Between-Subjects Design

Analysis of Variance: One-Way Within-Subjects Repeated-Measuresdesign

Correlation

Linear Regression and Multiple Regression

Nonparametric Tests: Chi-Square Tests

Nonparametric Tests: Tests for Ordinal Data

Filters

A researcher conducts a 2* 4 between-subjects ANOVA in which 12 participants were observed in each group.If SS_A = 18 and SS_E = 264,then what is the decision for Factor A at a .05 level of significance using the two-way between-subjects ANOVA?

For the effects of a two-way between-subjects ANOVA,which values must be known to compute effect size using $\omega$ ²?

For the effects of a two-way between-subjects ANOVA,which values must be known to compute effect size using $\eta$ ²?

A researcher conducts two studies using the two-way between-subjects ANOVA.The sum of squares total is smaller in Study 1 than in Study 2; the sum of squares for Factor A is the same in both studies.In which study will the effect size be larger for Factor A using $\omega$ ²?