Question 1

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

Accepted Answer

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

Question 2

The total variation in y is ________.

Accepted Answer

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

Question 3

________ are contrasts that enable the researcher to construct generalized confidence intervals that can be used to make pairwise comparisons of all treatment means.

Accepted Answer

A) Single comparison contrasts 
B) Multiple comparison contrasts 
C) A priori contrasts 
D) A posteriori contrasts 
A) Single comparison contrasts 
B) Multiple comparison contrasts 
C) A priori contrasts 
D) A posteriori contrasts

Question 4

SSbetween is the portion of the sum of squares in Y related to the independent variable or factor X.

Accepted Answer

A) True 
 B)False

Question 5

Modest departures from the assumptions in analysis of variance do not seriously affect the validity of the analysis.

Accepted Answer

A) True 
 B)False

Question 6

Which statement is not true concerning interactions resulting from ANOVA?

Accepted Answer

A) In disordinal interactions of a crossover type, the relative effect of the levels of one factor changes with the levels of the other. 
B) Because it involves a change in rank order, disordinal interaction is stronger than ordinal interaction. 
C) Disordinal interactions of a crossover type represent the weakest interactions. 
D) In ordinal interaction, the rank order of the effects related to one factor does not change across the levels of the second factor. 
A) In disordinal interactions of a crossover type, the relative effect of the levels of one factor changes with the levels of the other. 
B) Because it involves a change in rank order, disordinal interaction is stronger than ordinal interaction. 
C) Disordinal interactions of a crossover type represent the weakest interactions. 
D) In ordinal interaction, the rank order of the effects related to one factor does not change across the levels of the second factor.

Question 7

Important issues involved in the interpretation of ANOVA results include all of the following except ________.

Accepted Answer

A) interactions 
B) determining the appropriateness of the test 
C) relative importance of factors 
D) multiple comparisons 
A) interactions 
B) determining the appropriateness of the test 
C) relative importance of factors 
D) multiple comparisons

Question 8

Which statement is correct concerning one-way ANOVA?

Accepted Answer

A) Only one categorical variable is involved. 
B) A treatment is the same as a particular combination of factor levels. 
C) The set of independent variables consists of both categorical and metric variables. 
D) Both A and B are correct. 
A) Only one categorical variable is involved. 
B) A treatment is the same as a particular combination of factor levels. 
C) The set of independent variables consists of both categorical and metric variables. 
D) Both A and B are correct.

Question 9

In one-way ANOVA, separation of the variation observed in the dependent variable into the variation due to the independent variables plus the variation due to error is called ________.

Accepted Answer

A) decomposition of the total variation 
B) one-way analysis of variance 
C) n-way analysis of variance 
D) analysis of covariance (ANCOV
A)  
A) decomposition of the total variation 
B) one-way analysis of variance 
C) n-way analysis of variance 
D) analysis of covariance (ANCOV
A)

Question 10

The value of η2 varies between 0 and 1.

Accepted Answer

A) True 
 B)False

Question 11

Omega squared, ω2, indicates what proportion of the variation in the dependent variable is related to a particular independent variable or factor.

Accepted Answer

A) True 
 B)False

Question 12

The total variation in Y, denoted by SSy, can be decomposed into which two components?

Accepted Answer

A) SSy = SSx - SSerror  
B) SSy = SSbetween + SSwithin  
C) SSy = SSx + SSerror  
D) B and C are correct. 
A) SSy = SSx - SSerror  
B) SSy = SSbetween + SSwithin  
C) SSy = SSx + SSerror  
D) B and C are correct.

Question 13

When using SPSS Windows, for nonmetric analysis of variance, including the k-sample median test and Kruskal-Wallis one way analysis of variance, the program ________ should be used.

Accepted Answer

A) general linear model 
B) nonparametric tests 
C) compare means 
D) univariate 
A) general linear model 
B) nonparametric tests 
C) compare means 
D) univariate

Question 14

The Kruskal-Wallis one-way analysis of variance also examines the difference in medians.

Accepted Answer

A) True 
 B)False

Question 15

Which F test is used to test the significance of the overall effect?

Accepted Answer

A) 
F =   
B) 
F =   
C) 
F =   
D) 
F =   
A) 
F =   
B) 
F =   
C) 
F =   
D) 
F =

Question 16

The null hypothesis for ANOVA typically is that all ________.

Accepted Answer

A) proportions are equal 
B) means are unequal 
C) proportions are unequal 
D) means are equal 
A) proportions are equal 
B) means are unequal 
C) proportions are unequal 
D) means are equal

Question 17

List the procedure for conducting one-way analysis of variance.

Accepted Answer

The procedure for conducting one-way ana

Question 18

A statistical technique for examining the differences among means for two or more populations is called ________.

Accepted Answer

A) chi-square 
B) analysis of variance (ANOV
A)  
C) cross-tabulation 
D) independent samples t test 
A) chi-square 
B) analysis of variance (ANOV
A)  
C) cross-tabulation 
D) independent samples t test

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

In one-way analysis of variance, under the null hypothesis, SSx and SSerror come from different sources of variation.

Accepted Answer

A) True 
 B)False

Exam 16: Analysis of Variance and Covariance

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

The total variation in y is ________.

________ are contrasts that enable the researcher to construct generalized confidence intervals that can be used to make pairwise comparisons of all treatment means.

SSbetween is the portion of the sum of squares in Y related to the independent variable or factor X.

Modest departures from the assumptions in analysis of variance do not seriously affect the validity of the analysis.

Which statement is not true concerning interactions resulting from ANOVA?

Important issues involved in the interpretation of ANOVA results include all of the following except ________.

Which statement is correct concerning one-way ANOVA?

In one-way ANOVA, separation of the variation observed in the dependent variable into the variation due to the independent variables plus the variation due to error is called ________.

The value of η2 varies between 0 and 1.

Omega squared, ω2, indicates what proportion of the variation in the dependent variable is related to a particular independent variable or factor.

The total variation in Y, denoted by SSy, can be decomposed into which two components?

When using SPSS Windows, for nonmetric analysis of variance, including the k-sample median test and Kruskal-Wallis one way analysis of variance, the program ________ should be used.

The Kruskal-Wallis one-way analysis of variance also examines the difference in medians.

Which F test is used to test the significance of the overall effect?

The null hypothesis for ANOVA typically is that all ________.

List the procedure for conducting one-way analysis of variance.

A statistical technique for examining the differences among means for two or more populations is called ________.

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

In one-way analysis of variance, under the null hypothesis, SSx and SSerror come from different sources of variation.

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

Causal Research Design: Experimentation

Measurement and Scaling: Fundamentals and Comparative Scaling

Measurement and Scaling: Noncomparative 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

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

SS_between is the portion of the sum of squares in Y related to the independent variable or factor X.

The value of η² varies between 0 and 1.

Omega squared, ω², indicates what proportion of the variation in the dependent variable is related to a particular independent variable or factor.

In one-way analysis of variance, under the null hypothesis, SS_xand SS_errorcome from different sources of variation.