Question 1

Which is the proper way to state the null hypothesis for the interaction effect?

Accepted Answer

A)   H0: an interaction effect does not exist
B)   H1: not all µs are equal
C)   H1: an interaction effect exists
D)   H0: all µs are equal

Question 2

______ are defined as the means in a table that represent a main effect.

Accepted Answer

A)   Main means
B)   Interaction means
C)   Cell means
D)   Marginal means

Question 3

According to the figure below, which of the following statements would most likely be true?

Accepted Answer

A)   There is no interaction effect.
B)   There is an interaction effect.
C)   There is both a main effect and an interaction effect.
D)   There is a simple effect but no main effect.

Question 4

According to the following table, which type of effects are present?

Accepted Answer

A)   a main effect for gender
B)   a main effect for crime area
C)   main effects for both gender and crime area and an interaction effect
D)   main effects for both gender and crime area but no interaction effect

Question 5

If a researcher examines one independent variable, she would be using a ______ research design; if she was examining the possible combinations of two or more independent variables, she would be using a ______ research design.

Accepted Answer

A)   factorial; single-factor
B)   single-factor; factorial
C)   factorial; interaction effect
D)   single-factor; interaction effect

Question 6

What is the mean square for the main effect of factor A (MSA) ? A) ?   A)  27.50 B)  66.28 C)  58.73 D)  44.05" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   27.50
B)   66.28
C)   58.73
D)   44.05

Question 7

An F-ratio statistic contains between-group and within-group variance.

Accepted Answer

A) True 
 B)False

Question 8

Use the following table for the next nine questions 
 
-What is the marginal mean for Friday?

Accepted Answer

A)   1.60
B)   1.75
C)   1.45
D)   1.55

Question 9

After calculating the marginal means in the table below, which variable has a significant main effect? (assume any difference between the means implies the main effect is significant)

Accepted Answer

A)   gender
B)   crime area
C)   both gender and crime area
D)   neither gender or crime area

Question 10

Which of the following is a conceptual benefit of using factorial designs versus single-factor designs?

Accepted Answer

A)   Factorial designs provide the opportunity to determine whether independent variables combine or interact to influence the dependent variable.
B)   Testing and interpreting factorial designs is less complicated than single-factor designs.
C)   Factorial designs allow for test the significance of each dependent variable separately from the others.
D)   The interpretation of factorial designs is simplified by the presence or absence of interaction effects.

Question 11

______ are defined as the effect of an independent variable on the dependent variable within a factorial research design.

Accepted Answer

A)   Simple effects
B)   Main effects
C)   Interaction effects
D)   Dependent effects

Question 12

Calculate the F-ratio for main effect of factor B (FB) : MSA= 458.00; MSB = 6841.00; MSAxB = 53.00; MSWG = 10.40.

Accepted Answer

A)   684.10
B)   657.79
C)   129.08
D)   14.94

Question 13

What is the mean square for the A * B interaction effect (MSA * B) ? A * B) ?   A)  75.31 B)  160.11 C)  122.81 D)  3.81" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   75.31
B)   160.11
C)   122.81
D)   3.81

Question 14

After calculating the marginal means in the table below, which variable has a significant main effect? (assume any difference between the means implies the main effect is significant)

Accepted Answer

A)   gender
B)   crime area
C)   both gender and crime area
D)   neither gender or crime area

Question 15

Which is the proper way to state the alternative hypothesis for the interaction effect?

Accepted Answer

A)   H0: an interaction effect does not exist
B)   H1: not all µs are equal
C)   H1: an interaction effect exists
D)   H0: all µs are equal

Question 16

Factorial research designs allow a researcher to examine what type of effect between variables?

Accepted Answer

A)   non-effect
B)   main effect
C)   simple effect
D)   interaction effect

Question 17

What is R2B? SSA = 10.64; SSB = 8.93; SSA  x B = 15.15; SST = 49.56.

Accepted Answer

A)   2.14
B)   .31
C)   .21
D)   .18

Question 18

What is the total mean for the data in the table below?

Accepted Answer

A)   4.44
B)   4.57
C)   5.50
D)   6.00

Question 19

If FA * B = 3.22 with df = 3,40, the researcher would ______.

Accepted Answer

A)   reject the null p 
B)   reject the null p 
C)   not reject the null p 
D)   not reject the null p > .01 and .05

Question 20

If FAxB = 1.62 < 3.40, the researcher would ______.

Accepted Answer

A)   reject H0 (p 
B)   not reject H0 (p > .05) 
C)   reject H0 (p 
D)   not reject H0 (p < .05)

Exam 12: Two-Way Analysis of Variance Anova

If FA * B = 3.22 with df = 3,40, the researcher would ______.

Correct AnswerverifiedShow Answer

After calculating the marginal means in the table below, which variable has a significant main effect? (assume any difference between the means implies the main effect is significant)

Correct AnswerverifiedShow Answer

Which is the proper way to state the null hypothesis for the interaction effect?

Correct AnswerverifiedShow Answer

What is the total mean for the data in the table below?

Correct AnswerverifiedShow Answer

If FAxB = 1.62 < 3.40, the researcher would ______.

Correct AnswerverifiedShow Answer

______ are defined as the means in a table that represent a main effect.

Correct AnswerverifiedShow Answer

What is the mean square for the main effect of factor A (MSA) ?

Correct AnswerverifiedShow Answer

Which is the proper way to state the alternative hypothesis for the interaction effect?

Correct AnswerverifiedShow Answer

After calculating the marginal means in the table below, which variable has a significant main effect? (assume any difference between the means implies the main effect is significant)

Correct AnswerverifiedShow Answer

Which of the following is a conceptual benefit of using factorial designs versus single-factor designs?

Correct AnswerverifiedShow Answer

An F-ratio statistic contains between-group and within-group variance.

Correct AnswerverifiedShow Answer

According to the following table, which type of effects are present?

Correct AnswerverifiedShow Answer

According to the figure below, which of the following statements would most likely be true?

Correct AnswerverifiedShow Answer

What is the mean square for the A * B interaction effect (MSA * B) ?

Correct AnswerverifiedShow Answer

Calculate the F-ratio for main effect of factor B (FB) : MSA= 458.00; MSB = 6841.00; MSAxB = 53.00; MSWG = 10.40.

Correct AnswerverifiedShow Answer

______ are defined as the effect of an independent variable on the dependent variable within a factorial research design.

Correct AnswerverifiedShow Answer

Factorial research designs allow a researcher to examine what type of effect between variables?

Correct AnswerverifiedShow Answer

If a researcher examines one independent variable, she would be using a ______ research design; if she was examining the possible combinations of two or more independent variables, she would be using a ______ research design.

Correct AnswerverifiedShow Answer

What is R2B? SSA = 10.64; SSB = 8.93; SSA x B = 15.15; SST = 49.56.

Correct AnswerverifiedShow Answer

Use the following table for the next nine questions -What is the marginal mean for Friday?

Correct AnswerverifiedShow Answer

If F_A _* _B = 3.22 with df = 3,40, the researcher would ______.

Correct Answer
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What is the mean square for the main effect of factor A (MS_A) ?

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What is the mean square for the A * B interaction effect (MS_A _* _B) ?

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If a researcher examines one independent variable, she would be using a research design; if she was examining the possible combinations of two or more independent variables, she would be using a research design.

Correct Answer
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What is R²B? SSA = 10.64; SSB = 8.93; SSA _x B = 15.15; SST = 49.56.

Correct Answer
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