Question 1

In a 4 × 3 factorial ANOVA design, how many possible group assignments for subjects are there?

Accepted Answer

A) 3 
B) 4 
C) 7 
D) 12 
A) 3 
B) 4 
C) 7 
D) 12

Question 2

What type of ANOVA is used when there is only one type of treatment or grouping factor with more than two levels?

Accepted Answer

A) one way 
B) two way 
C) three way 
D) four way 
A) one way 
B) two way 
C) three way 
D) four way

Question 3

Why is this statistical technique called analysis of variance?

Accepted Answer

The technique is called analysis of vari

Question 4

A simple analysis of variance is also called _______.

Accepted Answer

A) the two-way analysis of variance 
B) factorial ANOVA 
C) correlational ANOVA 
D) the one-way analysis of variance 
A) the two-way analysis of variance 
B) factorial ANOVA 
C) correlational ANOVA 
D) the one-way analysis of variance

Question 5

An omnibus test tests _______.

Accepted Answer

A) overall differences 
B) specific comparisons 
C) very large samples 
D) very small populations 
A) overall differences 
B) specific comparisons 
C) very large samples 
D) very small populations

Question 6

Using ANOVA, a null hypothesis could look like this:

Accepted Answer

A) H?: µ? = µ? = µ? 
B) H?: µ? > µ? > µ? 
C) H?: µ? = µ? > µ? 
D)  $$H _ { 1 } : \bar { X } _ { 1 } \neq \bar { X } _ { 2 } \neq \bar { X } _ { 3 }$$ 
A) H?: µ? = µ? = µ? 
B) H?: µ? > µ? > µ? 
C) H?: µ? = µ? > µ? 
D)  $$H _ { 1 } : \bar { X } _ { 1 } \neq \bar { X } _ { 2 } \neq \bar { X } _ { 3 }$$

Question 7

Which of the following is the same as t² when examining the difference between two groups?

Accepted Answer

A) F 
B) T 
C) Cohen's d 
D) F² 
A) F 
B) T 
C) Cohen's d 
D) F²

Question 8

In a 4 × 3 factorial design, there are how many levels of the second grouping factor?

Accepted Answer

A) 3 
B) 4 
C) 7 
D) 12 
A) 3 
B) 4 
C) 7 
D) 12

Question 9

When computing the degrees of freedom for ANOVA, how is the between-group estimate calculated?

Accepted Answer

A) n − 1 
B) k − 1 
C) N − k 
D) (n - 1) ÷ k 
A) n − 1 
B) k − 1 
C) N − k 
D) (n - 1) ÷ k

Question 10

ANOVA first tests for an overall difference between the means.This is known as what type of test?

Accepted Answer

A) omnibus 
B) pluribus 
C) omnivorous 
D) omnibor 
A) omnibus 
B) pluribus 
C) omnivorous 
D) omnibor

Question 11

What is the MSbₑtwₑₑn value?

Accepted Answer

The MSbₑtwₑₑn value is the ave

Question 12

If your MSwᵢthᵢn is lower than your MSbₑtwₑₑn, your F value will be _______.

Accepted Answer

A) higher 
B) lower 
C) the same 
D) one 
A) higher 
B) lower 
C) the same 
D) one

Question 13

If the total sample size was 50, and there were three groups examined, what is the within-groups degrees of freedom?

Accepted Answer

The answer of If the total sample size was 50,...

Question 14

When interpreting F₍₂, ₅₇₎ = 10.80, p < .01, how many groups were examined?

Accepted Answer

A) 60 
B) 57 
C) 3 
D) 2 
A) 60 
B) 57 
C) 3 
D) 2

Question 15

Which of the following is the formula for computing the F statistic?

Accepted Answer

A) F = MSbₑtwₑₑn ÷ MSwᵢthᵢn 
B) F = SSbₑtwₑₑn ÷ SSwᵢthᵢn 
C) F = MSwᵢthᵢn ÷ MSbₑtwₑₑn 
D) F = SSwᵢthᵢn ÷ SSbₑtwₑₑn 
A) F = MSbₑtwₑₑn ÷ MSwᵢthᵢn 
B) F = SSbₑtwₑₑn ÷ SSwᵢthᵢn 
C) F = MSwᵢthᵢn ÷ MSbₑtwₑₑn 
D) F = SSwᵢthᵢn ÷ SSbₑtwₑₑn

Question 16

The simple analysis of variance, or one-way analysis of variance, includes only one factor or treatment variable in the analysis.

Accepted Answer

A) True 
 B)False

Question 17

Talking about the direction of specific differences in ANOVA would not make any sense because it is a(n) _______ test.

Accepted Answer

A) monobus 
B) multibus 
C) omnibus 
D) octobus 
A) monobus 
B) multibus 
C) omnibus 
D) octobus

Question 18

The ANOVA uses the _______.

Accepted Answer

A) F-test 
B) t-test 
C) p-test 
D) r-test 
A) F-test 
B) t-test 
C) p-test 
D) r-test

Question 19

If your MSbₑtwₑₑn is higher than your MSwᵢthᵢn, your F value will be _______.

Accepted Answer

A) higher 
B) lower 
C) the same 
D) zero 
A) higher 
B) lower 
C) the same 
D) zero

Question 20

A factorial ANOVA includes _______ treatment factor(s).

Accepted Answer

A) more than one 
B) only one 
C) only two 
D) only three or more 
A) more than one 
B) only one 
C) only two 
D) only three or more

Exam 13: Two Groups Too Many Try Analysis of Variance

In a 4 × 3 factorial ANOVA design, how many possible group assignments for subjects are there?

What type of ANOVA is used when there is only one type of treatment or grouping factor with more than two levels?

Why is this statistical technique called analysis of variance?

A simple analysis of variance is also called _______.

An omnibus test tests _______.

Using ANOVA, a null hypothesis could look like this:

Which of the following is the same as t² when examining the difference between two groups?

In a 4 × 3 factorial design, there are how many levels of the second grouping factor?

When computing the degrees of freedom for ANOVA, how is the between-group estimate calculated?

ANOVA first tests for an overall difference between the means.This is known as what type of test?

What is the MSbₑtwₑₑn value?

If your MSwᵢthᵢn is lower than your MSbₑtwₑₑn, your F value will be _______.

If the total sample size was 50, and there were three groups examined, what is the within-groups degrees of freedom?

When interpreting F₍₂, ₅₇₎ = 10.80, p < .01, how many groups were examined?

Which of the following is the formula for computing the F statistic?

The simple analysis of variance, or one-way analysis of variance, includes only one factor or treatment variable in the analysis.

Talking about the direction of specific differences in ANOVA would not make any sense because it is a(n) _______ test.

The ANOVA uses the _______.

If your MSbₑtwₑₑn is higher than your MSwᵢthᵢn, your F value will be _______.

A factorial ANOVA includes _______ treatment factor(s).

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