Question 1

The measure of effect size used with an ANOVA is​

Accepted Answer

A) Cohen's d. 
B) r2. 
C) eta-squared (h2). 
D) the phi coefficient. 
A) Cohen's d. 
B) r2. 
C) eta-squared (h2). 
D) the phi coefficient. C

Question 2

If a randomized ANOVA produced MSbetween = 35 and MSwithin = 15, then the F-ratio would be​

Accepted Answer

A) 35/15 = 2.33. 
B) 15/35 = 0.43. 
C) 35/50 = 0.70. 
D) 50/15 = 3.33. 
A) 35/15 = 2.33. 
B) 15/35 = 0.43. 
C) 35/50 = 0.70. 
D) 50/15 = 3.33. A

Question 3

Which of the following is NOT an assumption of the one-way randomized ANOVA?​

Accepted Answer

A) The data are interval or ratio. 
B) The underlying distribution is skewed. 
C) The variance among the populations being compared are homogeneous. 
D) All of the alternative are correct. 
A) The data are interval or ratio. 
B) The underlying distribution is skewed. 
C) The variance among the populations being compared are homogeneous. 
D) All of the alternative are correct. B

Question 4

In a repeated-measures design, the single largest contributing factor to error variance has been removed. What is that factor?​

Accepted Answer

A) individual differences 
B) experimenter effects 
C) subject bias effects 
D) measurement error 
A) individual differences 
B) experimenter effects 
C) subject bias effects 
D) measurement error

Question 5

If, in a randomized ANOVA, there are three groups with 10 participants in each group, the df for the F-ratio is equal to​

Accepted Answer

A) 30. 
B) 29. 
C) 2, 27. 
D) 2, 28. 
A) 30. 
B) 29. 
C) 2, 27. 
D) 2, 28.

Question 6

Using designs with more than two levels of an independent variable allows researchers to​

Accepted Answer

A) compare more than two kinds of treatment in one study. 
B) compare two or more kinds of treatment with a control group. 
C) compare a placebo group to the control and experimental groups. 
D) accomplish all of the other alternatives. 
A) compare more than two kinds of treatment in one study. 
B) compare two or more kinds of treatment with a control group. 
C) compare a placebo group to the control and experimental groups. 
D) accomplish all of the other alternatives.

Question 7

For an F-ratio with df = 2, 26, the Fcv for a = .05 would be​

Accepted Answer

A) 2.36. 
B) 3.37. 
C) 4.23. 
D) 5.53. 
A) 2.36. 
B) 3.37. 
C) 4.23. 
D) 5.53.

Question 8

In a repeated-measures ANOVA, the total variance is comprised of​

Accepted Answer

A) between-groups and error variance. 
B) within-groups and error variance. 
C) between-groups and participant variance. 
D) between-groups, error, and participant variance. 
A) between-groups and error variance. 
B) within-groups and error variance. 
C) between-groups and participant variance. 
D) between-groups, error, and participant variance.

Question 9

If the independent variable in an experiment had an effect this would contribute to _____ variance in the F-ratio.​

Accepted Answer

A) total 
B) between-groups 
C) within-groups 
D) error 
A) total 
B) between-groups 
C) within-groups 
D) error

Question 10

The F-ratio is a ratio of _____ variance over _____ variance.​

Accepted Answer

A) between-groups; within-groups 
B) within-groups; between-groups 
C) total; between-groups 
D) total; within-groups 
A) between-groups; within-groups 
B) within-groups; between-groups 
C) total; between-groups 
D) total; within-groups

Question 11

If a researcher reported an F-ratio with df = 3, 32 for a randomized one-way ANOVA, then there were _____ conditions in the experiment and _____ total participants.​

Accepted Answer

A) 4; 36 
B) 4; 40 
C) 3; 36 
D) 3; 32 
A) 4; 36 
B) 4; 40 
C) 3; 36 
D) 3; 32

Question 12

Explain what between-groups variance and within-groups variance are comprised of.​

Accepted Answer

The between-groups variance is comprised

Question 13

The between-groups variance is comprised of _____ variance and _____ variance.​

Accepted Answer

A) systematic; error 
B) within-groups; error 
C) total; error 
D) within-groups; total 
A) systematic; error 
B) within-groups; error 
C) total; error 
D) within-groups; total

Question 14

If the null hypothesis is true, what value should we expect for the F-ratio? Why?​

Accepted Answer

If the null hypothesis is true, we would

Question 15

If, in a repeated-measures ANOVA, k = 4 and n = 6, the df for the F-ratio equals

Accepted Answer

A) 4, 6. 
B) 3, 5. 
C) 3, 15. 
D) 3, 20. 
A) 4, 6. 
B) 3, 5. 
C) 3, 15. 
D) 3, 20.

Question 16

When conducting an experiment with more than two levels of the independent variable, a _____ is recommended over a _____ because of the reduced risk of a _____.

Accepted Answer

A) one-way ANOVA; t test; Type II error 
B) one-way ANOVA; t test; Type I error 
C) t test; one-way ANOVA; Type II erro 
D) t test; one-way ANOVA; Type I error 
A) one-way ANOVA; t test; Type II error 
B) one-way ANOVA; t test; Type I error 
C) t test; one-way ANOVA; Type II erro 
D) t test; one-way ANOVA; Type I error

Question 17

The alternative hypothesis for a one-way randomized ANOVA states​

Accepted Answer

A) H0: m1 = m2 = m3. 
B) H0: m1 ¹ m2 ¹ m3. 
C) Ha: m1 = m2 = m3. 
D) Ha: m1 ¹ m2 ¹ m3. 
A) H0: m1 = m2 = m3. 
B) H0: m1 ¹ m2 ¹ m3. 
C) Ha: m1 = m2 = m3. 
D) Ha: m1 ¹ m2 ¹ m3.

Question 18

What is the Bonferroni adjustment? What would the Bonferoni adjustment be for a study with four groups for which a researcher decided to use t tests?​

Accepted Answer

​The Bonferroni adjustment is a means of

Question 19

Post hoc tests are necessary after an ANOVA when the test is _____ and there are _____ or more groups being compared.​

Accepted Answer

A) significant; 3 
B) significant; 2 
C) not significant; 3 
D) not significant; 2 
A) significant; 3 
B) significant; 2 
C) not significant; 3 
D) not significant; 2

Question 20

_____ is a means of setting a more stringent alpha level in order to minimize Type I errors.​

Accepted Answer

A) ANOVA 
B) The Bonferroni adjustment 
C) An F-ratio 
D) The sums of squares 
A) ANOVA 
B) The Bonferroni adjustment 
C) An F-ratio 
D) The sums of squares

The measure of effect size used with an ANOVA is

If a randomized ANOVA produced MS_between = 35 and MS_within = 15, then the F-ratio would be

Which of the following is NOT an assumption of the one-way randomized ANOVA?

In a repeated-measures design, the single largest contributing factor to error variance has been removed. What is that factor?

If, in a randomized ANOVA, there are three groups with 10 participants in each group, the df for the F-ratio is equal to

Using designs with more than two levels of an independent variable allows researchers to

For an F-ratio with df = 2, 26, the F_cv for a = .05 would be

In a repeated-measures ANOVA, the total variance is comprised of

If the independent variable in an experiment had an effect this would contribute to _____ variance in the F-ratio.

The F-ratio is a ratio of _ variance over _ variance.

If a researcher reported an F-ratio with df = 3, 32 for a randomized one-way ANOVA, then there were _ conditions in the experiment and _ total participants.

Explain what between-groups variance and within-groups variance are comprised of.

The between-groups variance is comprised of _ variance and _ variance.

If the null hypothesis is true, what value should we expect for the F-ratio? Why?

If, in a repeated-measures ANOVA, k = 4 and n = 6, the df for the F-ratio equals

When conducting an experiment with more than two levels of the independent variable, a ___ is recommended over a _ because of the reduced risk of a ___.

The alternative hypothesis for a one-way randomized ANOVA states

What is the Bonferroni adjustment? What would the Bonferoni adjustment be for a study with four groups for which a researcher decided to use t tests?

Post hoc tests are necessary after an ANOVA when the test is _ and there are _ or more groups being compared.

_____ is a means of setting a more stringent alpha level in order to minimize Type I errors.

Thinking Like a Scientist

Getting Started

Defining Measuring and Manipulating Variables

Descriptive Methods

Data Organization and Descriptive Statistics

Correlational Methods and Statistics

Probability and Hypothesis Testing

Introduction to Inferential Statistics

Experimental Design and Analysis I

Experimental Design and Analysis II

Experimental Design and Analysis Iv

Quasi Experimental and Single Case Designs

Nonparametric Inferential Statistics

APA Communication Guidelines

Filters

Exam 11: Experimental Design and Analysis III

The measure of effect size used with an ANOVA is​

If a randomized ANOVA produced MSbetween = 35 and MSwithin = 15, then the F-ratio would be​

Which of the following is NOT an assumption of the one-way randomized ANOVA?​

In a repeated-measures design, the single largest contributing factor to error variance has been removed. What is that factor?​

If, in a randomized ANOVA, there are three groups with 10 participants in each group, the df for the F-ratio is equal to​

Using designs with more than two levels of an independent variable allows researchers to​

For an F-ratio with df = 2, 26, the Fcv for a = .05 would be​

In a repeated-measures ANOVA, the total variance is comprised of​

If the independent variable in an experiment had an effect this would contribute to _____ variance in the F-ratio.​

The F-ratio is a ratio of _____ variance over _____ variance.​

If a researcher reported an F-ratio with df = 3, 32 for a randomized one-way ANOVA, then there were _____ conditions in the experiment and _____ total participants.​

Explain what between-groups variance and within-groups variance are comprised of.​

The between-groups variance is comprised of _____ variance and _____ variance.​

If the null hypothesis is true, what value should we expect for the F-ratio? Why?​

If, in a repeated-measures ANOVA, k = 4 and n = 6, the df for the F-ratio equals

When conducting an experiment with more than two levels of the independent variable, a _____ is recommended over a _____ because of the reduced risk of a _____.

The alternative hypothesis for a one-way randomized ANOVA states​

What is the Bonferroni adjustment? What would the Bonferoni adjustment be for a study with four groups for which a researcher decided to use t tests?​

Post hoc tests are necessary after an ANOVA when the test is _____ and there are _____ or more groups being compared.​

_____ is a means of setting a more stringent alpha level in order to minimize Type I errors.​

Thinking Like a Scientist

Getting Started

Defining Measuring and Manipulating Variables

Descriptive Methods

Data Organization and Descriptive Statistics

Correlational Methods and Statistics

Probability and Hypothesis Testing

Introduction to Inferential Statistics

Experimental Design and Analysis I

Experimental Design and Analysis II

Experimental Design and Analysis Iv

Quasi Experimental and Single Case Designs

Nonparametric Inferential Statistics

APA Communication Guidelines

Filters

The measure of effect size used with an ANOVA is

If a randomized ANOVA produced MS_between = 35 and MS_within = 15, then the F-ratio would be

Which of the following is NOT an assumption of the one-way randomized ANOVA?

In a repeated-measures design, the single largest contributing factor to error variance has been removed. What is that factor?

If, in a randomized ANOVA, there are three groups with 10 participants in each group, the df for the F-ratio is equal to

Using designs with more than two levels of an independent variable allows researchers to

For an F-ratio with df = 2, 26, the F_cv for a = .05 would be

In a repeated-measures ANOVA, the total variance is comprised of

If the independent variable in an experiment had an effect this would contribute to _____ variance in the F-ratio.

The F-ratio is a ratio of _ variance over _ variance.

If a researcher reported an F-ratio with df = 3, 32 for a randomized one-way ANOVA, then there were _ conditions in the experiment and _ total participants.

Explain what between-groups variance and within-groups variance are comprised of.

The between-groups variance is comprised of _ variance and _ variance.

If the null hypothesis is true, what value should we expect for the F-ratio? Why?

When conducting an experiment with more than two levels of the independent variable, a ___ is recommended over a _ because of the reduced risk of a ___.

The alternative hypothesis for a one-way randomized ANOVA states

What is the Bonferroni adjustment? What would the Bonferoni adjustment be for a study with four groups for which a researcher decided to use t tests?

Post hoc tests are necessary after an ANOVA when the test is _ and there are _ or more groups being compared.

_____ is a means of setting a more stringent alpha level in order to minimize Type I errors.