Question 1

Based on the answers provided in Q7, calculate the between sum of squares for the time-trial data.

Accepted Answer

A)  392.1 
B)  377.7 
C)  364.2 d .369.9 
A)  392.1 
B)  377.7 
C)  364.2 d .369.9

Question 2

The choice of post hoc test depends on which of the following?

Accepted Answer

A)  Number of observations in each group 
B)  Choice of whether to control for Type I or Type II error 
C)  All post hoc tests are fairly similar 
D)  Whether homogeneity is present or not 
A)  Number of observations in each group 
B)  Choice of whether to control for Type I or Type II error 
C)  All post hoc tests are fairly similar 
D)  Whether homogeneity is present or not

Question 3

Analyse the cycling time-trial data below. Thirty-two elite cyclists were randomly allocated into one of four groups. Without using SPSS, calculate the mean and total for each group. The groups were as follows   Group 1-
Group 2
Group 3
Group 4
How would you calculate the total sum of squares?

Accepted Answer

A)  SST = SSW + SSB 
B)  SST = SSW - SSB 
C)  SST = SSB / SSW 
D)  SST = SSB × SSW 
A)  SST = SSW + SSB 
B)  SST = SSW - SSB 
C)  SST = SSB / SSW 
D)  SST = SSB × SSW

Question 4

Analysis of variance (ANOVA) performs which type of test?

Accepted Answer

A)  F-test 
B)  t-test 
C)  z-test 
D)  xy-test 
A)  F-test 
B)  t-test 
C)  z-test 
D)  xy-test

Question 5

Based on the answers provided in Q7, calculate the between sum of squares for the time-trial data.

Accepted Answer

A)  392.1 
B)  377.7 
C)  364.2 d .369.9 
A)  392.1 
B)  377.7 
C)  364.2 d .369.9

Question 6

Based on the answers provided in Q7, calculate the total sum of squares for the time-trial data.

Accepted Answer

A)  764.2 
B)  746.2 
C)  801.3 
D)  822.6 
A)  764.2 
B)  746.2 
C)  801.3 
D)  822.6

Question 7

If the value for F-statistic in Q15 were to decrease, what would happen to the p-value?

Accepted Answer

A)  Decrease - become more significant. 
B)  Increase - become less significant. 
C)  The p-value is unaffected by the F-statistic 
D)  The p-value could increase or decrease depending on the between- and within-groups degrees of freedom. 
A)  Decrease - become more significant. 
B)  Increase - become less significant. 
C)  The p-value is unaffected by the F-statistic 
D)  The p-value could increase or decrease depending on the between- and within-groups degrees of freedom.

Question 8

Suppose you decided to run multiple independent t-tests as opposed to a one-way ANOVA and subsequent contrasts and/or post hoc tests. How should you correct for the p-value?

Accepted Answer

A)  Apply a Bonferroni correction. 
B)  No adjustment to the p-value is necessary. 
C)  You should never use multiple t-tests. 
D)  Conduct a Levene's adjustment. 
A)  Apply a Bonferroni correction. 
B)  No adjustment to the p-value is necessary. 
C)  You should never use multiple t-tests. 
D)  Conduct a Levene's adjustment.

Question 9

Examine the Levene's test table. What can be deduced from the finding?

Accepted Answer

A)  The Levene's test is not significant and therefore the null hypothesis is rejected. 
B)  The Levene's test is not significant and therefore the null hypothesis is accepted. 
C)  The Levene's test is significant and therefore the null hypothesis is rejected. 
D)  The Levene's test is significant and therefore the null hypothesis is accepted. 
A)  The Levene's test is not significant and therefore the null hypothesis is rejected. 
B)  The Levene's test is not significant and therefore the null hypothesis is accepted. 
C)  The Levene's test is significant and therefore the null hypothesis is rejected. 
D)  The Levene's test is significant and therefore the null hypothesis is accepted.

Question 10

Calculate the η2 (eta squared) value based on the sum of squares between groups and the sum of squares within groups.

Accepted Answer

A)  .7 
B)  .5 
C)  .3 
D)  .1 
A)  .7 
B)  .5 
C)  .3 
D)  .1

Question 11

What type of research design does a one-way ANOVA adopt?

Accepted Answer

A)  Independent-groups design 
B)  Repeated-measures design 
C)  Within-groups design 
D)  Mixed model design 
A)  Independent-groups design 
B)  Repeated-measures design 
C)  Within-groups design 
D)  Mixed model design

Question 12

Analyse the cycling time-trial data below. Thirty-two elite cyclists were randomly allocated into one of four groups. Without using SPSS, calculate the mean and total for each group. The groups were as follows   Group 1-
Group 2
Group 3
Group 4
How would you calculate the total sum of squares?

Accepted Answer

A)  SST = SSW + SSB 
B)  SST = SSW - SSB 
C)  SST = SSB / SSW 
D)  SST = SSB × SSW 
A)  SST = SSW + SSB 
B)  SST = SSW - SSB 
C)  SST = SSB / SSW 
D)  SST = SSB × SSW

Question 13

What type of research design does a one-way ANOVA adopt?

Accepted Answer

A)  Independent-groups design 
B)  Repeated-measures design 
C)  Within-groups design 
D)  Mixed model design 
A)  Independent-groups design 
B)  Repeated-measures design 
C)  Within-groups design 
D)  Mixed model design

Question 14

What is the purpose of a post hoc test?

Accepted Answer

A)  It identifies where differences between the study groups exist. 
B)  It identifies the overall appropriateness of the ANOVA model. 
C)  It identifies differences between and within study groups. 
D)  It identifies where differences within the study group exist. 
A)  It identifies where differences between the study groups exist. 
B)  It identifies the overall appropriateness of the ANOVA model. 
C)  It identifies differences between and within study groups. 
D)  It identifies where differences within the study group exist.

Question 15

Calculate the η2 (eta squared) value based on the sum of squares between groups and the sum of squares within groups.

Accepted Answer

A)  .7 
B)  .5 
C)  .3 
D)  .1 
A)  .7 
B)  .5 
C)  .3 
D)  .1

Question 16

When would it be appropriate to use the planned comparisons instead of the post hoc tests to identify differences in the time-trial groups?

Accepted Answer

A)  When specific hypotheses have been generated before the experiment. 
B)  Comparisons should always be run with post hoc tests. 
C)  Comparisons should be run in place of post hoc tests when no hypothesis has been planned prior to the experiment. 
D)  Neither post hoc tests or comparisons are really necessary, as they only provide supplementary information. 
A)  When specific hypotheses have been generated before the experiment. 
B)  Comparisons should always be run with post hoc tests. 
C)  Comparisons should be run in place of post hoc tests when no hypothesis has been planned prior to the experiment. 
D)  Neither post hoc tests or comparisons are really necessary, as they only provide supplementary information.

Question 17

Based on the information presented in Q15, what can be assumed from the result?

Accepted Answer

A)  There is a significant difference somewhere between the four groups but the location of the differences is not known. 
B)  There are no significant differences between the four groups. 
C)  Significant differences are only located between those that received caffeine and those that did not receive caffeine. 
D)  Significant differences were identified between all of the groups. 
A)  There is a significant difference somewhere between the four groups but the location of the differences is not known. 
B)  There are no significant differences between the four groups. 
C)  Significant differences are only located between those that received caffeine and those that did not receive caffeine. 
D)  Significant differences were identified between all of the groups.

Question 18

Analysis of variance (ANOVA) performs which type of test?

Accepted Answer

A)  F-test 
B)  t-test 
C)  z-test 
D)  xy-test 
A)  F-test 
B)  t-test 
C)  z-test 
D)  xy-test

Question 19

If a one-way ANOVA is considered a parametric test, what is its non-parametric equivalent?

Accepted Answer

A)  Kruskal-Wallis ANOVA 
B)  Friedman's ANOVA 
C)  Roy's largest root 
D)  There is no non-parametric equivalent, therefore multiple Mann-Whitney tests should be used. 
A)  Kruskal-Wallis ANOVA 
B)  Friedman's ANOVA 
C)  Roy's largest root 
D)  There is no non-parametric equivalent, therefore multiple Mann-Whitney tests should be used.

Question 20

Using an F-distribution table, locate the critical value required to produce a p-value equal to .05.

Accepted Answer

A)  2.95 
B)  2.71 
C)  2.56 
D)  2.46 
A)  2.95 
B)  2.71 
C)  2.56 
D)  2.46

Exam 12: Glm 1: Comparing Several Independent Means

Based on the answers provided in Q7, calculate the between sum of squares for the time-trial data.

The choice of post hoc test depends on which of the following?

Analyse the cycling time-trial data below. Thirty-two elite cyclists were randomly allocated into one of four groups. Without using SPSS, calculate the mean and total for each group. The groups were as follows Group 1- Group 2 Group 3 Group 4 How would you calculate the total sum of squares?

Analysis of variance (ANOVA) performs which type of test?

Based on the answers provided in Q7, calculate the between sum of squares for the time-trial data.

Based on the answers provided in Q7, calculate the total sum of squares for the time-trial data.

If the value for F-statistic in Q15 were to decrease, what would happen to the p-value?

Suppose you decided to run multiple independent t-tests as opposed to a one-way ANOVA and subsequent contrasts and/or post hoc tests. How should you correct for the p-value?

Examine the Levene's test table. What can be deduced from the finding?

Calculate the η2 (eta squared) value based on the sum of squares between groups and the sum of squares within groups.

What type of research design does a one-way ANOVA adopt?

Analyse the cycling time-trial data below. Thirty-two elite cyclists were randomly allocated into one of four groups. Without using SPSS, calculate the mean and total for each group. The groups were as follows Group 1- Group 2 Group 3 Group 4 How would you calculate the total sum of squares?

What type of research design does a one-way ANOVA adopt?

What is the purpose of a post hoc test?

Calculate the η2 (eta squared) value based on the sum of squares between groups and the sum of squares within groups.

When would it be appropriate to use the planned comparisons instead of the post hoc tests to identify differences in the time-trial groups?

Based on the information presented in Q15, what can be assumed from the result?

Analysis of variance (ANOVA) performs which type of test?

If a one-way ANOVA is considered a parametric test, what is its non-parametric equivalent?

Using an F-distribution table, locate the critical value required to produce a p-value equal to .05.

Why Is My Evil Lecturer Forcing Me to Learn Statistics

The Spine of Statistics

The Phoenix of Statistics

The Ibm Spss Statistics Environment

Exploring Data With Graphs

The Beast of Bias

Non-Parametric Models

Correlation

The Linear Model Regression

Comparing Two Means

Moderation, Mediation and Multicategory Predictors

Glm 2: Comparing Means Adjusted for Other Predictors Analysis of Covariance

Glm 3: Factorial Designs

Glm 4: Repeated-Measures Designs

Glm 5: Mixed Designs

Multivariate Analysis of Variance Manova

Exploratory Factor Analysis

Categorical Outcomes: Chi-Square and Loglinear Analysis

Categorical Outcomes: Logistic Regression

Multilevel Linear Models

Filters

Calculate the η² (eta squared) value based on the sum of squares between groups and the sum of squares within groups.

Calculate the η² (eta squared) value based on the sum of squares between groups and the sum of squares within groups.