Question 1

What is the most general method of conducting means comparisons that have been planned a priori?

Accepted Answer

A)  Loglinear analysis 
B)  Contrast analysis 
C)  Analysis of covariance 
D)  Multiple regression 
A)  Loglinear analysis 
B)  Contrast analysis 
C)  Analysis of covariance 
D)  Multiple regression

Question 2

Which of the following is NOT a post hoc means comparison?

Accepted Answer

A)  A contrast analysis 
B)  The Fisher least significant difference test 
C)  The Scheffé means comparison test 
D)  The Tukey honestly significantly difference test 
A)  A contrast analysis 
B)  The Fisher least significant difference test 
C)  The Scheffé means comparison test 
D)  The Tukey honestly significantly difference test

Question 3

A researcher wants to use scores on a measure of self-esteem to predict a group of outcome measures, including marital satisfaction and employment satisfaction. Which of the following procedures would be most useful?

Accepted Answer

A)  Loglinear analysis 
B)  Confirmatory factor analysis 
C)  Canonical correlation 
D)  MANOVA 
A)  Loglinear analysis 
B)  Confirmatory factor analysis 
C)  Canonical correlation 
D)  MANOVA

Question 4

Which of the following is a disadvantage of a MANOVA analysis?

Accepted Answer

A)  Independent variables are related to the dependent variables. 
B)  It requires multiple F tests. 
C)  The likelihood of a Type 1 error is increased 
D)  At least three independent variables are needed for reliability. 
A)  Independent variables are related to the dependent variables. 
B)  It requires multiple F tests. 
C)  The likelihood of a Type 1 error is increased 
D)  At least three independent variables are needed for reliability.

Question 5

A means comparison is used

Accepted Answer

A)  to test the differences between and among particular group means. 
B)  to determine which statistical procedure should be used to compare two or more means. 
C)  only to test the differences between group means that were planned before data collection. 
D)  only to test the differences between group means that were planned after data collection. 
A)  to test the differences between and among particular group means. 
B)  to determine which statistical procedure should be used to compare two or more means. 
C)  only to test the differences between group means that were planned before data collection. 
D)  only to test the differences between group means that were planned after data collection.

Question 6

__________ are designed to control the experimentwise alpha level in means comparisons that are made after the data have been collected.

Accepted Answer

A)  A priori means comparisons 
B)  Contrast analyses 
C)  Post hoc means comparisons 
D)  Contrast weights 
A)  A priori means comparisons 
B)  Contrast analyses 
C)  Post hoc means comparisons 
D)  Contrast weights

Question 7

Which of the following procedures protects against increases in the experimentwise alpha by only allowing post hoc comparisons if the initial ANOVA F value is significant?

Accepted Answer

A)  Contrast analysis 
B)  Fisher least significant difference test 
C)  Scheffé means comparison test 
D)  Tukey honestly significantly difference test 
A)  Contrast analysis 
B)  Fisher least significant difference test 
C)  Scheffé means comparison test 
D)  Tukey honestly significantly difference test

Question 8

Which of the following best describes the goal of a structural equation analysis?

Accepted Answer

A)  The relationships among nominal variables are tested. 
B)  The relationships among latent variables are tested. 
C)  A few dependent variables are expanded into many dependent variables. 
D)  P-values are set at less than .05. 
A)  The relationships among nominal variables are tested. 
B)  The relationships among latent variables are tested. 
C)  A few dependent variables are expanded into many dependent variables. 
D)  P-values are set at less than .05.

Question 9

After testing the F value in an ANOVA, the researcher may want to follow up with

Accepted Answer

A)  post hoc or a priori contrast analyses 
B)  a multiple regression analysis 
C)  a MANOVA 
D)  a post-experimental correlation 
A)  post hoc or a priori contrast analyses 
B)  a multiple regression analysis 
C)  a MANOVA 
D)  a post-experimental correlation

Question 10

Contrast weights are set by the researchers in order to

Accepted Answer

A)  order the values of the means. 
B)  indicate how the group means are to be compared. 
C)  double-check that the F value is significant. 
D)  turn a correlational design into an experimental design. 
A)  order the values of the means. 
B)  indicate how the group means are to be compared. 
C)  double-check that the F value is significant. 
D)  turn a correlational design into an experimental design.

Question 11

Natalie is interested in predicting interpersonal attraction from knowledge about proximity and physical attractiveness. She first enters these two variables in her analysis. Then, after obtaining preliminary results, she adds the predictor variables of income and status. Natalie is using which of the following?

Accepted Answer

A)  Factor analysis 
B)  Simultaneous multiple regression 
C)  ANOVA 
D)  Hierarchical multiple regression 
A)  Factor analysis 
B)  Simultaneous multiple regression 
C)  ANOVA 
D)  Hierarchical multiple regression

Question 12

One of the advantages of a structural equation analysis is that

Accepted Answer

A)  only the relationships between nominal variables need to be tested. 
B)  relationships among latent variables can be studied. 
C)  there is a smaller chance of a placebo effect than in correlational studies. 
D)  p-values do not need to be set at .05. 
A)  only the relationships between nominal variables need to be tested. 
B)  relationships among latent variables can be studied. 
C)  there is a smaller chance of a placebo effect than in correlational studies. 
D)  p-values do not need to be set at .05.

Question 13

Which of the following is NOT considered a multivariate statistic?

Accepted Answer

A)  Exploratory factor analysis 
B)  MANOVA 
C)  Canonical correlation 
D)  Chi-square analysis 
A)  Exploratory factor analysis 
B)  MANOVA 
C)  Canonical correlation 
D)  Chi-square analysis

Question 14

Which of the following statistical tests is used to determine whether the observed relationships among a set of variables conforms to a theoretical prediction about how those variables should be related?

Accepted Answer

A)  Exploratory factor analysis 
B)  Loglinear analysis 
C)  Canonical correlation 
D)  Structural equation analysis 
A)  Exploratory factor analysis 
B)  Loglinear analysis 
C)  Canonical correlation 
D)  Structural equation analysis

Question 15

A researcher has developed a theory about which predictor variable should be entered first, second, and third to predict the outcome variable. He will want to use which of the following?

Accepted Answer

A)  Simultaneous multiple regression 
B)  Hierarchical multiple regression 
C)  Stepwise multiple regression 
D)  Overweighted multiple regression 
A)  Simultaneous multiple regression 
B)  Hierarchical multiple regression 
C)  Stepwise multiple regression 
D)  Overweighted multiple regression

Question 16

Which of the following is NOT a use of multiple regression analysis?

Accepted Answer

A)  Reducing error by controlling for scores on baseline measures 
B)  Creating path-analytic diagrams 
C)  Conducting a covariance structure analysis 
D)  Predicting scores on a dependent variable given scores on a set of independent variables 
A)  Reducing error by controlling for scores on baseline measures 
B)  Creating path-analytic diagrams 
C)  Conducting a covariance structure analysis 
D)  Predicting scores on a dependent variable given scores on a set of independent variables

Question 17

A researcher has conducted a structural equation analysis. Which of the following will she use to test how well the collected data fit the hypothesized relationship?

Accepted Answer

A)  The Tukey HSD test 
B)  The Fisher LSD test 
C)  The goodness of fit statistic 
D)  The loglinear statistic 
A)  The Tukey HSD test 
B)  The Fisher LSD test 
C)  The goodness of fit statistic 
D)  The loglinear statistic

Question 18

According to the multiple regression equation, the best prediction of the outcome variable (Ŷ) is equal to

Accepted Answer

A)  the intercept plus the sum of all the predictor variables (X's), each multiplied by their regression coefficients. 
B)  the sum of all the predictor variables (X's), each multiplied by their regression coefficients. 
C)  the intercept minus the sum of all the predictor variables (X' s), each multiplied by their regression coefficients. 
D)  the intercept minus the sum of all the predictor variables (X's), each divided by their regression coefficients. 
A)  the intercept plus the sum of all the predictor variables (X's), each multiplied by their regression coefficients. 
B)  the sum of all the predictor variables (X's), each multiplied by their regression coefficients. 
C)  the intercept minus the sum of all the predictor variables (X' s), each multiplied by their regression coefficients. 
D)  the intercept minus the sum of all the predictor variables (X's), each divided by their regression coefficients.

Question 19

In a contrast analysis, the sum of the contrast weights

Accepted Answer

A)  can vary from -1.00 to +1.00. 
B)  must equal -l.00. 
C)  must equal 1.00. 
D)  must equal zero. 
A)  can vary from -1.00 to +1.00. 
B)  must equal -l.00. 
C)  must equal 1.00. 
D)  must equal zero.

What is the most general method of conducting means comparisons that have been planned a priori?

Which of the following is NOT a post hoc means comparison?

A researcher wants to use scores on a measure of self-esteem to predict a group of outcome measures, including marital satisfaction and employment satisfaction. Which of the following procedures would be most useful?

Which of the following is a disadvantage of a MANOVA analysis?

A means comparison is used

__________ are designed to control the experimentwise alpha level in means comparisons that are made after the data have been collected.

Which of the following procedures protects against increases in the experimentwise alpha by only allowing post hoc comparisons if the initial ANOVA F value is significant?

Which of the following best describes the goal of a structural equation analysis?

After testing the F value in an ANOVA, the researcher may want to follow up with

Contrast weights are set by the researchers in order to

One of the advantages of a structural equation analysis is that

Which of the following is NOT considered a multivariate statistic?

Which of the following statistical tests is used to determine whether the observed relationships among a set of variables conforms to a theoretical prediction about how those variables should be related?

A researcher has developed a theory about which predictor variable should be entered first, second, and third to predict the outcome variable. He will want to use which of the following?

Which of the following is NOT a use of multiple regression analysis?

A researcher has conducted a structural equation analysis. Which of the following will she use to test how well the collected data fit the hypothesized relationship?

According to the multiple regression equation, the best prediction of the outcome variable (Ŷ) is equal to

In a contrast analysis, the sum of the contrast weights

Introduction to Research

Developing the Research Hypothesis

Ethics in Research

Measures

Reliability and Validity

Surveys and Sampling

Naturalistic Methods

Hypothesis Testing and Inferential Statistics

Correlational Research Designs

Experimental Research: One-Way Designs

Experimental Research: Factorial Designs

Experimental Control and Internal Validity

External Validity

Quasi-Experimental Research Designs

Reporting Research Results

Data Preparation and Univariate Statistics

Bivariate Statistics

Filters

Exam 18: Multivariate Statistics

What is the most general method of conducting means comparisons that have been planned a priori?

Which of the following is NOT a post hoc means comparison?

A researcher wants to use scores on a measure of self-esteem to predict a group of outcome measures, including marital satisfaction and employment satisfaction. Which of the following procedures would be most useful?

Which of the following is a disadvantage of a MANOVA analysis?

A means comparison is used

__________ are designed to control the experimentwise alpha level in means comparisons that are made after the data have been collected.

Which of the following procedures protects against increases in the experimentwise alpha by only allowing post hoc comparisons if the initial ANOVA F value is significant?

Which of the following best describes the goal of a structural equation analysis?

After testing the F value in an ANOVA, the researcher may want to follow up with

Contrast weights are set by the researchers in order to

One of the advantages of a structural equation analysis is that

Which of the following is NOT considered a multivariate statistic?

Which of the following statistical tests is used to determine whether the observed relationships among a set of variables conforms to a theoretical prediction about how those variables should be related?

A researcher has developed a theory about which predictor variable should be entered first, second, and third to predict the outcome variable. He will want to use which of the following?

Which of the following is NOT a use of multiple regression analysis?

A researcher has conducted a structural equation analysis. Which of the following will she use to test how well the collected data fit the hypothesized relationship?

According to the multiple regression equation, the best prediction of the outcome variable (Ŷ) is equal to

In a contrast analysis, the sum of the contrast weights

Introduction to Research

Developing the Research Hypothesis

Ethics in Research

Measures

Reliability and Validity

Surveys and Sampling

Naturalistic Methods

Hypothesis Testing and Inferential Statistics

Correlational Research Designs

Experimental Research: One-Way Designs

Experimental Research: Factorial Designs

Experimental Control and Internal Validity

External Validity

Quasi-Experimental Research Designs

Reporting Research Results

Data Preparation and Univariate Statistics

Bivariate Statistics

Filters