Question 1

In the worksheet exercise, in which condition was the least variability?

Accepted Answer

A)  Nine months later 
B)  Six months later 
C)  Three months later 
D)  After discharge 
A)  Nine months later 
B)  Six months later 
C)  Three months later 
D)  After discharge A

Question 2

What is the assumption of sphericity?

Accepted Answer

A)  The assumption that the variance in each condition is similar. 
B)  The assumption that the variance in each condition is not similar. 
C)  The assumption that the variance in the difference scores is similar. 
D)  The assumption that the variance in the difference scores is not similar. 
A)  The assumption that the variance in each condition is similar. 
B)  The assumption that the variance in each condition is not similar. 
C)  The assumption that the variance in the difference scores is similar. 
D)  The assumption that the variance in the difference scores is not similar. C

Question 3

In the worksheet exercise, if you were to run post hoc comparisons, how many pairwise comparisons should you report?

Accepted Answer

A)  Twelve 
B)  Six 
C)  Nine 
D)  Three 
A)  Twelve 
B)  Six 
C)  Nine 
D)  Three B

Question 4

There are lots of tables under the main ANOVA output from SPSS. Which output do you have to look at if you want to interpret post hoc contrasts?

Accepted Answer

A)  Pairwise comparisons table 
B)  Within-subjects effects table 
C)  Within-subjects factors table 
D)  Within-subjects contrasts table 
A)  Pairwise comparisons table 
B)  Within-subjects effects table 
C)  Within-subjects factors table 
D)  Within-subjects contrasts table

Question 5

In the worksheet exercise, which rows from the "Test of Within Subjects Effects" table should you read the ANOVA statistics?

Accepted Answer

A)  Sphericity assumed 
B)  Greenhouse-Geisser 
C)  Huynh-Feldt 
D)  Lower-bound 
A)  Sphericity assumed 
B)  Greenhouse-Geisser 
C)  Huynh-Feldt 
D)  Lower-bound

Question 6

When you establish that assumption of sphericity has been violated, what should you do next?

Accepted Answer

A)  Use one of the non-parametric tests to apply the appropriate correction. 
B)  Collect more data to reduce the random variance in the dataset. 
C)  You can continue your analysis. SPSS offers you a correction that you can use in this situation. You can use several t tests comparing individual means. 
D)  You can continue your analysis. SPSS offers you a correction that you can use in this situation. Greenhouse-Geisser correction is the one that is most frequently used. 
A)  Use one of the non-parametric tests to apply the appropriate correction. 
B)  Collect more data to reduce the random variance in the dataset. 
C)  You can continue your analysis. SPSS offers you a correction that you can use in this situation. You can use several t tests comparing individual means. 
D)  You can continue your analysis. SPSS offers you a correction that you can use in this situation. Greenhouse-Geisser correction is the one that is most frequently used.

Question 7

When do you need to use the non-parametric equivalent of ANOVA?

Accepted Answer

A)  When the assumption of normality was violated 
B)  When the assumption of sphericity was violated 
C)  When the assumption of independence was violated 
D)  When the assumption of homogeneity was violated 
A)  When the assumption of normality was violated 
B)  When the assumption of sphericity was violated 
C)  When the assumption of independence was violated 
D)  When the assumption of homogeneity was violated

Question 8

Why do we name one-way repeated measures ANOVA as one way and repeated?

Accepted Answer

A)  It is one way because we are only manipulating one dependent variable and it is repeated because we have just one group of participants who do experimental conditions. 
B)  It is one way because we have just one group of participants who do experimental conditions and it is repeated because we are only manipulating one independent variable which repeats itself. 
C)  It is one way because we are only manipulating one independent variable and it is repeated because we have just one group of participants who are tested more than once on different conditions of the independent variable. 
D)  It is one way because we are only manipulating one dependent variable and it is repeated because we repeat the same task with one group of participants. 
A)  It is one way because we are only manipulating one dependent variable and it is repeated because we have just one group of participants who do experimental conditions. 
B)  It is one way because we have just one group of participants who do experimental conditions and it is repeated because we are only manipulating one independent variable which repeats itself. 
C)  It is one way because we are only manipulating one independent variable and it is repeated because we have just one group of participants who are tested more than once on different conditions of the independent variable. 
D)  It is one way because we are only manipulating one dependent variable and it is repeated because we repeat the same task with one group of participants.

Question 9

There are lots of tables under the main ANOVA output from SPSS. Which output do you have to look at if you want to interpret planned contrasts?

Accepted Answer

A)  Within-subjects factors table 
B)  Within-subjects contrasts table 
C)  Pairwise comparisons table 
D)  Within-subjects effects table 
A)  Within-subjects factors table 
B)  Within-subjects contrasts table 
C)  Pairwise comparisons table 
D)  Within-subjects effects table

Question 10

In the worksheet exercise, what is the correct interpretation of the sphericity analysis?

Accepted Answer

A)  It is significant, so the assumption has been met. 
B)  It is significant, so the assumption has not been met. 
C)  It is not significant, so the assumption has been met. 
D)  It is not significant, so the assumption has not been met. 
A)  It is significant, so the assumption has been met. 
B)  It is significant, so the assumption has not been met. 
C)  It is not significant, so the assumption has been met. 
D)  It is not significant, so the assumption has not been met.

Question 11

If you establish that Mauchly's Test of Sphericity is significant it suggests

Accepted Answer

A)  that the data you have collected have not violated the assumption that there is sphericity in the data - different variance in the difference scores across conditions. 
B)  that the data you have collected have not violated the assumption that there is sphericity in the data - similar variance in the difference scores across conditions. 
C)  that the data you have collected have violated the assumption that there is sphericity in the data - similar variance in the difference scores across conditions. 
D)  that the data you have collected have violated the assumption that there is a lack of sphericity in the data - similar variance in the difference scores across conditions. 
A)  that the data you have collected have not violated the assumption that there is sphericity in the data - different variance in the difference scores across conditions. 
B)  that the data you have collected have not violated the assumption that there is sphericity in the data - similar variance in the difference scores across conditions. 
C)  that the data you have collected have violated the assumption that there is sphericity in the data - similar variance in the difference scores across conditions. 
D)  that the data you have collected have violated the assumption that there is a lack of sphericity in the data - similar variance in the difference scores across conditions.

Question 12

In the worksheet exercise, which of the following would not be an appropriate way to present the descriptive statistics?

Accepted Answer

A)  Line graph with error bars 
B)  Pie chart 
C)  Bar graph with error bars 
D)  Table of descriptive statistics 
A)  Line graph with error bars 
B)  Pie chart 
C)  Bar graph with error bars 
D)  Table of descriptive statistics

Question 13

How does the Greenhouse-Geisser correction work?

Accepted Answer

A)  It works by adjusting the degrees of freedom (df) and making them smaller, which has the effect of making your analysis more significant. 
B)  It works by adjusting the degrees of freedom (df) and making them larger, which has the effect of making your analysis more significant. 
C)  It works by adjusting the degrees of freedom (df) and making them larger, which has the effect of making your analysis less significant. 
D)  It works by adjusting the degrees of freedom (df) and making them smaller, which has the effect of making your analysis less significant. 
A)  It works by adjusting the degrees of freedom (df) and making them smaller, which has the effect of making your analysis more significant. 
B)  It works by adjusting the degrees of freedom (df) and making them larger, which has the effect of making your analysis more significant. 
C)  It works by adjusting the degrees of freedom (df) and making them larger, which has the effect of making your analysis less significant. 
D)  It works by adjusting the degrees of freedom (df) and making them smaller, which has the effect of making your analysis less significant.

Question 14

Which of the following options is correct about planned and post hoc contrasts?

Accepted Answer

A)  You can use both planned and post hoc contrasts together for further analysis. 
B)  You cannot use planned and post hoc contrasts for further analysis. 
C)  You can use post hoc contrast with one-tailed hypotheses, and planned contrasts with two-tailed hypotheses. 
D)  You can use planned contrast with one-tailed hypotheses, and post hoc contrasts with two-tailed hypotheses. 
A)  You can use both planned and post hoc contrasts together for further analysis. 
B)  You cannot use planned and post hoc contrasts for further analysis. 
C)  You can use post hoc contrast with one-tailed hypotheses, and planned contrasts with two-tailed hypotheses. 
D)  You can use planned contrast with one-tailed hypotheses, and post hoc contrasts with two-tailed hypotheses.

Question 15

When you interpret the pairwise comparisons table you have to report

Accepted Answer

A)  all the rows presented. 
B)  only the first three rows. 
C)  The rows representing all of the combinations of the condition pairs. If the pair A-B was reported you also have to report pair B-A. 
D)  The rows representing all of the unique combinations of the condition pairs. If the pair A-B was reported you don't have to report pair B-A. 
A)  all the rows presented. 
B)  only the first three rows. 
C)  The rows representing all of the combinations of the condition pairs. If the pair A-B was reported you also have to report pair B-A. 
D)  The rows representing all of the unique combinations of the condition pairs. If the pair A-B was reported you don't have to report pair B-A.

Exam 8: One-Way Repeated Measures Anova

In the worksheet exercise, in which condition was the least variability?

What is the assumption of sphericity?

In the worksheet exercise, if you were to run post hoc comparisons, how many pairwise comparisons should you report?

There are lots of tables under the main ANOVA output from SPSS. Which output do you have to look at if you want to interpret post hoc contrasts?

In the worksheet exercise, which rows from the "Test of Within Subjects Effects" table should you read the ANOVA statistics?

When you establish that assumption of sphericity has been violated, what should you do next?

When do you need to use the non-parametric equivalent of ANOVA?

Why do we name one-way repeated measures ANOVA as one way and repeated?

There are lots of tables under the main ANOVA output from SPSS. Which output do you have to look at if you want to interpret planned contrasts?

In the worksheet exercise, what is the correct interpretation of the sphericity analysis?

If you establish that Mauchly's Test of Sphericity is significant it suggests

In the worksheet exercise, which of the following would not be an appropriate way to present the descriptive statistics?

How does the Greenhouse-Geisser correction work?

Which of the following options is correct about planned and post hoc contrasts?

When you interpret the pairwise comparisons table you have to report

The Basics of Research Design

Questionnaire Design

Analysing Data for Psychological Research

Introducing Spss

Experimental Design

T Tests

One-Way Independent Measures Anova

Ancova

Two-Way Factorial Independent Anova

Two-Way Factorial Repeated Anova

Two-Way Factorial Mixed Design Anova

Presenting Experimental Studies

Correlational Design

Correlations

Multiple Regression

Hierarchical Regression

Logistic Regression

Factor Analysis

Presenting Correlational Studies

Qualitative Design

Designing Interviews and Focus Groups

Content Analysis and Thematic Analysis

Grounded Theory

Interpretative Phenomenological Analysis

Discourse Analysis

Presenting Qualitative Studies

How Do I Decide What to Do With My Data

Mixed Methods

Broadening Your Research Horizons

Filters