Question 1

SSbetween is also denoted as SSy.

Accepted Answer

A) True 
 B)False

Question 2

The total variation in y is ________.

Accepted Answer

A)  SSwithin 
B)  SSy 
C)  SSbetween 
D)  SSx 
A)  SSwithin 
B)  SSy 
C)  SSbetween 
D)  SSx

Question 3

A test of the significance of the main effect for each individual factor is a test of the ________.

Accepted Answer

A)  significance of the interaction effect 
B)  multiple η2 
C)  significance of the main effect 
D)  significance of the overall effect 
A)  significance of the interaction effect 
B)  multiple η2 
C)  significance of the main effect 
D)  significance of the overall effect

Question 4

The ________ refers to the fact that ordinarily the assumption in analysis of variance that the categories of the independent variable are fixed.

Accepted Answer

A)  standard-effects model 
B)  random-effects model 
C)  mixed-effects model 
D)  fixed-effects model 
A)  standard-effects model 
B)  random-effects model 
C)  mixed-effects model 
D)  fixed-effects model

Question 5

An interaction effect occurs when the effect of an independent variable on a dependent variable is different for different categories or levels of another independent variable.

Accepted Answer

A) True 
 B)False

Question 6

A test finding that some differences exist between some of the treatment groups is a test of the ________.

Accepted Answer

A)  significance of the interaction effect 
B)  significance of the main effect 
C)  significance of the overall effect 
D)  multiple η2 
A)  significance of the interaction effect 
B)  significance of the main effect 
C)  significance of the overall effect 
D)  multiple η2

Question 7

The value of η2 varies between 0 and 1.

Accepted Answer

A) True 
 B)False

Question 8

A test of the significance of the interaction between two or more independent variables is a test of the ________.

Accepted Answer

A)  multiple η2 
B)  significance of the overall effect 
C)  significance of the main effect 
D)  significance of the interaction effect 
A)  multiple η2 
B)  significance of the overall effect 
C)  significance of the main effect 
D)  significance of the interaction effect

Question 9

Which of the statistical techniques below does not involve a metric independent variable (Figure 16.1 in the text)?

Accepted Answer

A)  t test 
B)  ANOVA 
C)  regression 
D)  Both A and B are correct. 
A)  t test 
B)  ANOVA 
C)  regression 
D)  Both A and B are correct.

Question 10

η2 assumes a value of 0 when all the category means are equal,indicating that X has no effect of X on Y.

Accepted Answer

A) True 
 B)False

Question 11

________ is an ANOVA technique used when respondents are exposed to more than one treatment condition and repeated measurements are obtained.

Accepted Answer

A)  Multivariate analysis of variance (MANOV
A)  
B)  Nonmetric ANOVA 
C)  Contrasts 
D)  Repeated measures ANOVA 
A)  Multivariate analysis of variance (MANOV
A)  
B)  Nonmetric ANOVA 
C)  Contrasts 
D)  Repeated measures ANOVA

Question 12

Which statement is correct if the null hypothesis for a one-way ANOVA is rejected?

Accepted Answer

A)  The mean value of the dependent variable will be the same for different categories of the independent variable. 
B)  The independent variable does not have a significant effect on the dependent variable. 
C)  The effect of the independent variable is significant. 
D)  Both B and C are correct. 
A)  The mean value of the dependent variable will be the same for different categories of the independent variable. 
B)  The independent variable does not have a significant effect on the dependent variable. 
C)  The effect of the independent variable is significant. 
D)  Both B and C are correct.

Question 13

In ANOVA the relative contribution of a factor X is calculated as ________.

Accepted Answer

A)  $$\omega ^ { 2 } x = \frac { S S _ { x } / d f _ { x } } { S S _ { e r r o r } }$$ 
B)  $$\omega ^ { 2 } x = \frac { S S _ { x } - \left( d f _ { x } \times M S _ { \text {crror } } \right) } { S S _ { \text {total } } + M S _ { \text {crror } } }$$ 
C)  $$\omega ^ { 2 } x = \frac { \left( S S _ { x 1 } + S S _ { x 2 } + S S _ { x 1 x 2 } \right) / d f _ { x 1 } } { S S _ { \text {total } } + M S _ { \text {error } } }$$ 
D)  $$\omega ^ { 2 } x = \frac { S S _ { x } / ( c - 1 ) } { S S _ { c r r o r } / ( N - c ) }$$ 
A)  $$\omega ^ { 2 } x = \frac { S S _ { x } / d f _ { x } } { S S _ { e r r o r } }$$ 
B)  $$\omega ^ { 2 } x = \frac { S S _ { x } - \left( d f _ { x } \times M S _ { \text {crror } } \right) } { S S _ { \text {total } } + M S _ { \text {crror } } }$$ 
C)  $$\omega ^ { 2 } x = \frac { \left( S S _ { x 1 } + S S _ { x 2 } + S S _ { x 1 x 2 } \right) / d f _ { x 1 } } { S S _ { \text {total } } + M S _ { \text {error } } }$$ 
D)  $$\omega ^ { 2 } x = \frac { S S _ { x } / ( c - 1 ) } { S S _ { c r r o r } / ( N - c ) }$$

Question 14

Contrasts are used in ANOVA to determine which of the means are statistically different.

Accepted Answer

A) True 
 B)False

Question 15

The most common use of the covariate is to remove extraneous variation from the dependent variable.

Accepted Answer

A) True 
 B)False

Question 16

Also referred to as SSerror,________ is the variation in Y due to the variation within each of the categories of X.This variation is not accounted for by X.

Accepted Answer

A)  SSy 
B)  SSbetween 
C)  SSwithin 
D)  SSx 
A)  SSy 
B)  SSbetween 
C)  SSwithin 
D)  SSx

Question 17

If you are estimating η2,you are at which step in the procedure for conducting one-way analysis of variance?

Accepted Answer

A)  measure the effects 
B)  decompose the total variation 
C)  test the significance 
D)  interpret the results 
A)  measure the effects 
B)  decompose the total variation 
C)  test the significance 
D)  interpret the results

Question 18

Nonmetric analysis of variance examines the difference in the central tendencies of more than two groups when the dependent variable is measured on a nominal scale.

Accepted Answer

A) True 
 B)False

Question 19

Categorical independent variables are ________.The independent variables must all be categorical (nonmetric)to use ________.

Accepted Answer

A)  covariates;ANOVA 
B)  items;ANOVA 
C)  factors;ANOVA 
D)  parameters;regression 
A)  covariates;ANOVA 
B)  items;ANOVA 
C)  factors;ANOVA 
D)  parameters;regression

Question 20

A marketing survey conducted by EgeBank in Istanbul,Turkey used analysis of variance techniques to help identify affective and perceptual factors that differentiate alternative tourist destinations.

Accepted Answer

A) True 
 B)False

Exam 16: Analysis of Variance and Covariance

SSbetween is also denoted as SSy.

The total variation in y is ________.

A test of the significance of the main effect for each individual factor is a test of the ________.

The ________ refers to the fact that ordinarily the assumption in analysis of variance that the categories of the independent variable are fixed.

An interaction effect occurs when the effect of an independent variable on a dependent variable is different for different categories or levels of another independent variable.

A test finding that some differences exist between some of the treatment groups is a test of the ________.

The value of η2 varies between 0 and 1.

A test of the significance of the interaction between two or more independent variables is a test of the ________.

Which of the statistical techniques below does not involve a metric independent variable (Figure 16.1 in the text)?

η2 assumes a value of 0 when all the category means are equal,indicating that X has no effect of X on Y.

________ is an ANOVA technique used when respondents are exposed to more than one treatment condition and repeated measurements are obtained.

Which statement is correct if the null hypothesis for a one-way ANOVA is rejected?

In ANOVA the relative contribution of a factor X is calculated as ________.

Contrasts are used in ANOVA to determine which of the means are statistically different.

The most common use of the covariate is to remove extraneous variation from the dependent variable.

Also referred to as SSerror,________ is the variation in Y due to the variation within each of the categories of X.This variation is not accounted for by X.

If you are estimating η2,you are at which step in the procedure for conducting one-way analysis of variance?

Nonmetric analysis of variance examines the difference in the central tendencies of more than two groups when the dependent variable is measured on a nominal scale.

Categorical independent variables are ________.The independent variables must all be categorical (nonmetric)to use ________.

A marketing survey conducted by EgeBank in Istanbul,Turkey used analysis of variance techniques to help identify affective and perceptual factors that differentiate alternative tourist destinations.

Introduction to Marketing Research

Defining the Marketing Research Problem and Developing an Approach

Research Design

Exploratory Research Design: Secondary Data

Exploratory Research Design: Qualitative Research

Descriptive Research Design: Survey and Observation

Casual Research Design: Experimentation

Measurement and Scaling: Fundamentals and Comparative Scaling

Measurement and Scaling: Non Comparative Scaling Techniques

Questionnaire and Form Design

Sampling: Design and Procedures

Sampling: Final and Initial Sample Size Determination

Fieldwork

Data Preparation

Frequency Distribution, cross-Tabulation, and Hypothesis Testing

Correlation and Regression

Discriminant and Logit Analysis

Factor Analysis

Cluster Analysis

Multidimensional Scaling and Conjoint Analysis

Structural Equation Modeling and Path Analysis

Report Preparation and Presentation

International Marketing Research

Filters

The value of η² varies between 0 and 1.

η² assumes a value of 0 when all the category means are equal,indicating that X has no effect of X on Y.

If you are estimating η²,you are at which step in the procedure for conducting one-way analysis of variance?

Categorical independent variables are .The independent variables must all be categorical (nonmetric)to use .