Question 1

How many main effects exist in a 2 x 3 x 2 design?

Accepted Answer

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

Question 2

Many junior high school students drink colas on a daily basis. A researcher is interested in testing the effects of cola ingestion on academic performance (AP) for girls in the ninth grade. One thousand ninth-grade girls are the subjects. They are grouped according to the number of colas they drink each day (low, medium, and high). The researcher concluded that cola ingestion had an effect on academic performance. What statistical procedure did the researchers probably use?

Accepted Answer

A)  z-test 
B)  Independent groups t-test 
C)  Paired t-test 
D)  ANOVA 
A)  z-test 
B)  Independent groups t-test 
C)  Paired t-test 
D)  ANOVA

Question 3

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.)
 $\begin{array}{lcccc}
\text { Source of } &\text { SS } & d f & \text { MS } & \text { F } \
\text { Variation } && & & \
\text { Factor A } &500 & 2 & \mathrm{H} & \mathrm{J} \
\text {  Factor B } &\text { C } & 3 & 200 & \mathrm{~K} \
\text { AB Interaction } &900 & \text { F } & \mathrm{I} & \mathrm{L} \
\text { Within } &\text { D } & 60 & 50 & \
\text {Total  } &\text { E } & \text { G } & &
\end{array}$
-C_____

Accepted Answer

The answer of Using the following summary of results, what...

Question 4

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.)
 $\begin{array}{lcccc}
\text { Source of } &\text { SS } & d f & \text { MS } & \text { F } \
\text { Variation } && & & \
\text { Factor A } &500 & 2 & \mathrm{H} & \mathrm{J} \
\text {  Factor B } &\text { C } & 3 & 200 & \mathrm{~K} \
\text { AB Interaction } &900 & \text { F } & \mathrm{I} & \mathrm{L} \
\text { Within } &\text { D } & 60 & 50 & \
\text {Total  } &\text { E } & \text { G } & &
\end{array}$
-F_____

Accepted Answer

The answer of Using the following summary of results, what...

Question 5

Which of the following does not belong with the others?

Accepted Answer

A)  A dependent t-test 
B)  A repeated-measures ANOVA 
C)  A within-within design 
D)  A 2 x 3 design with different subjects in every cell 
A)  A dependent t-test 
B)  A repeated-measures ANOVA 
C)  A within-within design 
D)  A 2 x 3 design with different subjects in every cell

Question 6

How many subjects would the researcher need to recruit for a 2 x 3 between-between two-way ANOVA if five subjects received each possible treatment combination?

Accepted Answer

A)  5 
B)  10 
C)  15 
D)  30 
A)  5 
B)  10 
C)  15 
D)  30

Question 7

If the degrees of freedom in a two-way ANOVA for MSA, MSB, MSAB, and MSW are 4, 7, 28, and 200, respectively, how many treatments exist in factor A and factor B, and how many subjects are in each cell of the design?

Accepted Answer

A)  3, 6, 12 (Factor A, Factor B, Subjects/cell, respectively) 
B)  4, 7, 5 (Factor A, Factor B, Subjects/cell, respectively) 
C)  5, 8, 6 (Factor A, Factor B, Subjects/cell, respectively) 
D)  5, 8, 4(Factor A, Factor B, Subjects/cell, respectively) 
A)  3, 6, 12 (Factor A, Factor B, Subjects/cell, respectively) 
B)  4, 7, 5 (Factor A, Factor B, Subjects/cell, respectively) 
C)  5, 8, 6 (Factor A, Factor B, Subjects/cell, respectively) 
D)  5, 8, 4(Factor A, Factor B, Subjects/cell, respectively)

Question 8

Factorial experimental designs must have which of the following?

Accepted Answer

A)  One control variable 
B)  More than two dependent variables 
C)  An independent variable with at least three levels 
D)  Two or more independent variables 
A)  One control variable 
B)  More than two dependent variables 
C)  An independent variable with at least three levels 
D)  Two or more independent variables

Question 9

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.)
 $\begin{array}{lcccc}
\text { Source of } &\text { SS } & d f & \text { MS } & \text { F } \
\text { Variation } && & & \
\text { Factor A } &500 & 2 & \mathrm{H} & \mathrm{J} \
\text {  Factor B } &\text { C } & 3 & 200 & \mathrm{~K} \
\text { AB Interaction } &900 & \text { F } & \mathrm{I} & \mathrm{L} \
\text { Within } &\text { D } & 60 & 50 & \
\text {Total  } &\text { E } & \text { G } & &
\end{array}$
-I_____

Accepted Answer

The answer of Using the following summary of results, what...

Question 10

How many interactions are examined in a 3 x 3 between-groups design?

Accepted Answer

A)  9 
B)  6 
C)  3 
D)  1 
A)  9 
B)  6 
C)  3 
D)  1

Question 11

What has the researcher determined when an experiment reveals that strength training is effective for building muscle mass only when paired with a high-protein diet?

Accepted Answer

A)  A training by diet interaction 
B)  A main effect for diet 
C)  A main effect for training 
D)  No main effects 
A)  A training by diet interaction 
B)  A main effect for diet 
C)  A main effect for training 
D)  No main effects

Question 12

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.)
 $\begin{array}{lcccc}
\text { Source of } &\text { SS } & d f & \text { MS } & \text { F } \
\text { Variation } && & & \
\text { Factor A } &500 & 2 & \mathrm{H} & \mathrm{J} \
\text {  Factor B } &\text { C } & 3 & 200 & \mathrm{~K} \
\text { AB Interaction } &900 & \text { F } & \mathrm{I} & \mathrm{L} \
\text { Within } &\text { D } & 60 & 50 & \
\text {Total  } &\text { E } & \text { G } & &
\end{array}$
-H_____

Accepted Answer

The answer of Using the following summary of results, what...

Question 13

Many junior high school students drink colas on a daily basis. A researcher is interested in testing the effects of cola ingestion on academic performance (AP) for girls in the ninth grade. One thousand ninth-grade girls are the subjects. They are grouped according to the number of colas they drink each day (low, medium, and high). The researcher concluded that cola ingestion had an effect on academic performance. What did the researchers do with the null hypothesis?

Accepted Answer

A)  Rejected it 
B)  Determined it was still tenable 
C)  Impossible to determine without knowing the α level 
A)  Rejected it 
B)  Determined it was still tenable 
C)  Impossible to determine without knowing the α level

Question 14

For the following data, assume a significant F-ratio was found for factor A. What further test, if any, would be appropriate? $\begin{array}{c}
 \quad \quad \quad \quad \quad \quad \quad \quad\text { Factor B }\
\text { Factor A }
\begin{array}{lll}
& \text {Level 1}& \text {Level 2}& \text {Level 2}\
 \text {Level 1}&n=12 & n=15 &n=21 \
 \text {Level  2 }& n=18 & n=10 & n=14 \
\end{array}
\end{array}$

Accepted Answer

A)  Tukey test 
B)  Scheffé test 
C)  Either Tukey or Scheffé test 
D)  Neither Tukey nor Scheffé test 
A)  Tukey test 
B)  Scheffé test 
C)  Either Tukey or Scheffé test 
D)  Neither Tukey nor Scheffé test

Question 15

In a two-way ANOVA where both independent variables are between factors, how many parts is the sum of squares total partitioned into, and how many of them are part of the explained variance, respectively?

Accepted Answer

A)  3, 1 
B)  3, 3 
C)  4, 3 
D)  4, 4 
A)  3, 1 
B)  3, 3 
C)  4, 3 
D)  4, 4

Question 16

How many interactions are available for testing in a 3 x 3 x 3 design?

Accepted Answer

A)  3 
B)  4 
C)  6 
D)  It depends on whether variables are fixed or random 
A)  3 
B)  4 
C)  6 
D)  It depends on whether variables are fixed or random

Question 17

If a researcher states, "Heavy drinking leads to decreased GPA, regardless of the student's intelligence level," what was found?

Accepted Answer

A)  A main effect for drinking 
B)  A main effect for intelligence 
C)  An interaction between drinking and GPA 
D)  All of the above 
A)  A main effect for drinking 
B)  A main effect for intelligence 
C)  An interaction between drinking and GPA 
D)  All of the above

Question 18

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.)
 $\begin{array}{lcccc}
\text { Source of } &\text { SS } & d f & \text { MS } & \text { F } \
\text { Variation } && & & \
\text { Factor A } &500 & 2 & \mathrm{H} & \mathrm{J} \
\text {  Factor B } &\text { C } & 3 & 200 & \mathrm{~K} \
\text { AB Interaction } &900 & \text { F } & \mathrm{I} & \mathrm{L} \
\text { Within } &\text { D } & 60 & 50 & \
\text {Total  } &\text { E } & \text { G } & &
\end{array}$
-D_____

Accepted Answer

The answer of Using the following summary of results, what...

Question 19

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.)
 $\begin{array}{lcccc}
\text { Source of } &\text { SS } & d f & \text { MS } & \text { F } \
\text { Variation } && & & \
\text { Factor A } &500 & 2 & \mathrm{H} & \mathrm{J} \
\text {  Factor B } &\text { C } & 3 & 200 & \mathrm{~K} \
\text { AB Interaction } &900 & \text { F } & \mathrm{I} & \mathrm{L} \
\text { Within } &\text { D } & 60 & 50 & \
\text {Total  } &\text { E } & \text { G } & &
\end{array}$
-J_____

Accepted Answer

The answer of Using the following summary of results, what...

Question 20

What results are evaluated when an experiment has two independent variables?

Accepted Answer

A)  One interaction 
B)  One main effect and one interaction 
C)  Two main effects and one interaction 
D)  Two main effects and two interactions 
A)  One interaction 
B)  One main effect and one interaction 
C)  Two main effects and one interaction 
D)  Two main effects and two interactions

How many main effects exist in a 2 x 3 x 2 design?

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.) Source of SS df MS F Variation Factor A 500 2 Factor B C 3 200 AB Interaction 900 F Within D 60 50 Total E G -C_____

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.) Source of SS df MS F Variation Factor A 500 2 Factor B C 3 200 AB Interaction 900 F Within D 60 50 Total E G -F_____

Which of the following does not belong with the others?

How many subjects would the researcher need to recruit for a 2 x 3 between-between two-way ANOVA if five subjects received each possible treatment combination?

If the degrees of freedom in a two-way ANOVA for MS_A, MS_B, MS_AB, and MS_W are 4, 7, 28, and 200, respectively, how many treatments exist in factor A and factor B, and how many subjects are in each cell of the design?

Factorial experimental designs must have which of the following?

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.) Source of SS df MS F Variation Factor A 500 2 Factor B C 3 200 AB Interaction 900 F Within D 60 50 Total E G -I_____

How many interactions are examined in a 3 x 3 between-groups design?

What has the researcher determined when an experiment reveals that strength training is effective for building muscle mass only when paired with a high-protein diet?

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.) Source of SS df MS F Variation Factor A 500 2 Factor B C 3 200 AB Interaction 900 F Within D 60 50 Total E G -H_____

For the following data, assume a significant F-ratio was found for factor A. What further test, if any, would be appropriate? Factor B Factor A Level 1 Level 2 Level 2 Level 1 n=12 n=15 n=21 Level 2 n=18 n=10 n=14

In a two-way ANOVA where both independent variables are between factors, how many parts is the sum of squares total partitioned into, and how many of them are part of the explained variance, respectively?

How many interactions are available for testing in a 3 x 3 x 3 design?

If a researcher states, "Heavy drinking leads to decreased GPA, regardless of the student's intelligence level," what was found?

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.) Source of SS df MS F Variation Factor A 500 2 Factor B C 3 200 AB Interaction 900 F Within D 60 50 Total E G -D_____

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.) Source of SS df MS F Variation Factor A 500 2 Factor B C 3 200 AB Interaction 900 F Within D 60 50 Total E G -J_____

What results are evaluated when an experiment has two independent variables?

Research Methods

Introduction to Measurement and Statistics

Descriptive Statistics

The Normal Curve and Standard Scores

Correlation and Regression

Introduction to Inferential Statistics

Two-Sample T-Test

Issues in Inferential Statistics

One-Way Between-Groups Anova

One-Way Within-Groups Anova

Multivariate Anova Manova

Advanced Statistics

Nonparametric Statistics

Filters

Exam 11: Factorial Anova

How many main effects exist in a 2 x 3 x 2 design?

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.) Source of SS df MS F Variation Factor A 500 2 Factor B C 3 200 AB Interaction 900 F Within D 60 50 Total E G -C_____

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.) Source of SS df MS F Variation Factor A 500 2 Factor B C 3 200 AB Interaction 900 F Within D 60 50 Total E G -F_____

Which of the following does not belong with the others?

How many subjects would the researcher need to recruit for a 2 x 3 between-between two-way ANOVA if five subjects received each possible treatment combination?

If the degrees of freedom in a two-way ANOVA for MSA, MSB, MSAB, and MSW are 4, 7, 28, and 200, respectively, how many treatments exist in factor A and factor B, and how many subjects are in each cell of the design?

Factorial experimental designs must have which of the following?

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.) Source of SS df MS F Variation Factor A 500 2 Factor B C 3 200 AB Interaction 900 F Within D 60 50 Total E G -I_____

How many interactions are examined in a 3 x 3 between-groups design?

What has the researcher determined when an experiment reveals that strength training is effective for building muscle mass only when paired with a high-protein diet?

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.) Source of SS df MS F Variation Factor A 500 2 Factor B C 3 200 AB Interaction 900 F Within D 60 50 Total E G -H_____

For the following data, assume a significant F-ratio was found for factor A. What further test, if any, would be appropriate? Factor B Factor A Level 1 Level 2 Level 2 Level 1 n=12 n=15 n=21 Level 2 n=18 n=10 n=14

In a two-way ANOVA where both independent variables are between factors, how many parts is the sum of squares total partitioned into, and how many of them are part of the explained variance, respectively?

How many interactions are available for testing in a 3 x 3 x 3 design?

If a researcher states, "Heavy drinking leads to decreased GPA, regardless of the student's intelligence level," what was found?

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.) Source of SS df MS F Variation Factor A 500 2 Factor B C 3 200 AB Interaction 900 F Within D 60 50 Total E G -D_____

Using the following summary of results, what are the values that have been replaced by letters? (Assume a between-groups, fixed-factors model.) Source of SS df MS F Variation Factor A 500 2 Factor B C 3 200 AB Interaction 900 F Within D 60 50 Total E G -J_____

What results are evaluated when an experiment has two independent variables?

Research Methods

Introduction to Measurement and Statistics

Descriptive Statistics

The Normal Curve and Standard Scores

Correlation and Regression

Introduction to Inferential Statistics

Two-Sample T-Test

Issues in Inferential Statistics

One-Way Between-Groups Anova

One-Way Within-Groups Anova

Multivariate Anova Manova

Advanced Statistics

Nonparametric Statistics

Filters

If the degrees of freedom in a two-way ANOVA for MS_A, MS_B, MS_AB, and MS_W are 4, 7, 28, and 200, respectively, how many treatments exist in factor A and factor B, and how many subjects are in each cell of the design?