Question 1

What types of variables generally serve as covariates in ANCOVA?

Accepted Answer

A)  Continuous only 
B)  Categorical only 
C)  Continuous and categorical 
D)  Adjusted 
A)  Continuous only 
B)  Categorical only 
C)  Continuous and categorical 
D)  Adjusted

Question 2

Choose the appropriate correlational technique to use
-To determine whether a set of variables can be reduced to a smaller set of constructs

Accepted Answer

A)  PPM 
B)  partial correlation 
C)  factor analysis 
D)  canonical correlation 
E)  logistic regression 
A)  PPM 
B)  partial correlation 
C)  factor analysis 
D)  canonical correlation 
E)  logistic regression

Question 3

What is the purpose of a factor rotation procedure in factor analysis?

Accepted Answer

A)  To reduce the number of factors found 
B)  To increase the number of factors in the solution 
C)  To clarify the factors 
D)  To increase the total amount of variance that is explained 
A)  To reduce the number of factors found 
B)  To increase the number of factors in the solution 
C)  To clarify the factors 
D)  To increase the total amount of variance that is explained

Question 4

A researcher wants to determine whether various risk factors predict death. Which type of model should this researcher use?

Accepted Answer

A)  Discriminant analysis 
B)  MANCOVA 
C)  MANOVA 
D)  Logistic regression 
A)  Discriminant analysis 
B)  MANCOVA 
C)  MANOVA 
D)  Logistic regression

Question 5

Of the following statistical techniques, which one does NOT allow the researcher to hypothesize a particular model to explain the data?

Accepted Answer

A)  Path analysis 
B)  Structural equation modeling 
C)  Stepwise multiple regression 
A)  Path analysis 
B)  Structural equation modeling 
C)  Stepwise multiple regression

Question 6

Which research problem is minimized when the researcher matches treatment and control subjects, assigns subjects to treatments randomly, or uses ANCOVA?

Accepted Answer

A)  Having initial differences among treatment groups 
B)  Statistical regression 
C)  Contamination from a previous treatment 
D)  Significant interaction effects 
A)  Having initial differences among treatment groups 
B)  Statistical regression 
C)  Contamination from a previous treatment 
D)  Significant interaction effects

Question 7

Choose the appropriate correlational technique to use
-To describe the strength of the relationship between several independent and several dependent variables

Accepted Answer

A)  PPM 
B)  partial correlation 
C)  factor analysis 
D)  canonical correlation 
E)  logistic regression 
A)  PPM 
B)  partial correlation 
C)  factor analysis 
D)  canonical correlation 
E)  logistic regression

Question 8

Describe the dependent variable in logistic regression.

Accepted Answer

A)  Continuous and normal 
B)  Categorical, with any number of levels 
C)  Simple, with two levels 
D)  Categorical, with only two levels 
A)  Continuous and normal 
B)  Categorical, with any number of levels 
C)  Simple, with two levels 
D)  Categorical, with only two levels

Question 9

Choose the appropriate correlational technique to use
-To describe the strength of the relationship between two variables after the influence of a third variable has been removed

Accepted Answer

A)  PPM 
B)  partial correlation 
C)  factor analysis 
D)  canonical correlation 
E)  logistic regression 
A)  PPM 
B)  partial correlation 
C)  factor analysis 
D)  canonical correlation 
E)  logistic regression

Question 10

If the degrees of freedom for the MS error in a one-way ANOVA are 36, what would the number of degrees of freedom be if a one-way ANCOVA with two covariates were run on the same data?

Accepted Answer

A)  33 
B)  34 
C)  35 
D)  36 
A)  33 
B)  34 
C)  35 
D)  36

Question 11

Assume that you are conducting a MANOVA, but first you conduct a factor analysis. Why did you complete the factor analysis?

Accepted Answer

A)  It is required to meet MANOVA assumptions 
B)  It reduces the possibility of a Type II error 
C)  It results in a smaller number of dependent variables 
D)  It allows a multivariate analysis to be conducted 
A)  It is required to meet MANOVA assumptions 
B)  It reduces the possibility of a Type II error 
C)  It results in a smaller number of dependent variables 
D)  It allows a multivariate analysis to be conducted

What types of variables generally serve as covariates in ANCOVA?

Choose the appropriate correlational technique to use -To determine whether a set of variables can be reduced to a smaller set of constructs

What is the purpose of a factor rotation procedure in factor analysis?

A researcher wants to determine whether various risk factors predict death. Which type of model should this researcher use?

Of the following statistical techniques, which one does NOT allow the researcher to hypothesize a particular model to explain the data?

Which research problem is minimized when the researcher matches treatment and control subjects, assigns subjects to treatments randomly, or uses ANCOVA?

Choose the appropriate correlational technique to use -To describe the strength of the relationship between several independent and several dependent variables

Describe the dependent variable in logistic regression.

Choose the appropriate correlational technique to use -To describe the strength of the relationship between two variables after the influence of a third variable has been removed

If the degrees of freedom for the MS error in a one-way ANOVA are 36, what would the number of degrees of freedom be if a one-way ANCOVA with two covariates were run on the same data?

Assume that you are conducting a MANOVA, but first you conduct a factor analysis. Why did you complete the factor analysis?

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

Factorial Anova

Multivariate Anova Manova

Nonparametric Statistics

Filters

Exam 13: Advanced Statistics

What types of variables generally serve as covariates in ANCOVA?

Choose the appropriate correlational technique to use -To determine whether a set of variables can be reduced to a smaller set of constructs

What is the purpose of a factor rotation procedure in factor analysis?

A researcher wants to determine whether various risk factors predict death. Which type of model should this researcher use?

Of the following statistical techniques, which one does NOT allow the researcher to hypothesize a particular model to explain the data?

Which research problem is minimized when the researcher matches treatment and control subjects, assigns subjects to treatments randomly, or uses ANCOVA?

Choose the appropriate correlational technique to use -To describe the strength of the relationship between several independent and several dependent variables

Describe the dependent variable in logistic regression.

Choose the appropriate correlational technique to use -To describe the strength of the relationship between two variables after the influence of a third variable has been removed

If the degrees of freedom for the MS error in a one-way ANOVA are 36, what would the number of degrees of freedom be if a one-way ANCOVA with two covariates were run on the same data?

Assume that you are conducting a MANOVA, but first you conduct a factor analysis. Why did you complete the factor analysis?

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

Factorial Anova

Multivariate Anova Manova

Nonparametric Statistics

Filters