Question 1

The statistical object of cluster analysis is to minimize _______ variation and maximize variation between _________.

Accepted Answer

A) within-group; groups 
B) group; subjects 
C) subject; confounding variables 
D) trend; cycles 
A) within-group; groups 
B) group; subjects 
C) subject; confounding variables 
D) trend; cycles A

Question 2

The number of new verified cases of a disease in a year is called

Accepted Answer

A) prevalence 
B) incidence 
C) likelihood 
D) number of new cases 
A) prevalence 
B) incidence 
C) likelihood 
D) number of new cases B

Question 3

Which of the following is true about a multivariate analysis of variance?

Accepted Answer

A) one or more independent variables, one or more dependent variables 
B) two or more independent variables, with one or more levels of each independent variable 
C) one or more independent variables, two or more dependent variables 
D) all of the above are true 
A) one or more independent variables, one or more dependent variables 
B) two or more independent variables, with one or more levels of each independent variable 
C) one or more independent variables, two or more dependent variables 
D) all of the above are true C

Question 4

A true negative is defined as

Accepted Answer

A) a test result is positive, and the patient actually has the condition 
B) a test is negative, and the patient actually has the condition 
C) a test is positive, and the patient doesn't have the condition 
D) a test is negative, and the patient doesn't have the condition 
A) a test result is positive, and the patient actually has the condition 
B) a test is negative, and the patient actually has the condition 
C) a test is positive, and the patient doesn't have the condition 
D) a test is negative, and the patient doesn't have the condition

Question 5

If a patient is harmed or killed just by the treatment for a disease, it is called the ____________ effect.

Accepted Answer

A) not too good 
B) bad 
C) iatrogenic 
D) polygenic 
A) not too good 
B) bad 
C) iatrogenic 
D) polygenic

Question 6

A false negative is defined as

Accepted Answer

A) a test result is positive, and the patient actually has the condition 
B) a test is negative, and the patient actually has the condition 
C) a test is positive, and the patient doesn't have the condition 
D) a test is negative, and the patient doesn't have the condition 
A) a test result is positive, and the patient actually has the condition 
B) a test is negative, and the patient actually has the condition 
C) a test is positive, and the patient doesn't have the condition 
D) a test is negative, and the patient doesn't have the condition

Question 7

Which of the following is true of multivariate statistics?

Accepted Answer

A) almost always computed by computer programs 
B) can be easily computed by the average calculator 
C) there are few debates about their use and interpretation 
D) all of the above are true 
A) almost always computed by computer programs 
B) can be easily computed by the average calculator 
C) there are few debates about their use and interpretation 
D) all of the above are true

Question 8

Shrinkage in linear discriminant function analysis can be minimalized by

Accepted Answer

A) having the number of participants in the smallest group be 10 times the number of predictor variables 
B) having the number of participants in the largest group be 10 times the number of predictor variables 
C) having the number of participants in the smallest group be at least 30 
D) having the number of participants in both groups be at least 150 
A) having the number of participants in the smallest group be 10 times the number of predictor variables 
B) having the number of participants in the largest group be 10 times the number of predictor variables 
C) having the number of participants in the smallest group be at least 30 
D) having the number of participants in both groups be at least 150

Question 9

Which of the following is not true about MANCOVA?

Accepted Answer

A) handles more than one dependent variable 
B) covaries one or more nuisance variables 
C) handles one or more independent variables 
D) covaries only one confounding variable but one or more nuisance variables 
A) handles more than one dependent variable 
B) covaries one or more nuisance variables 
C) handles one or more independent variables 
D) covaries only one confounding variable but one or more nuisance variables

Question 10

Signal detection theory can be graphically represented by a

Accepted Answer

A) scatterplot 
B) receiver operating curve 
C) histogram 
D) bar graph 
A) scatterplot 
B) receiver operating curve 
C) histogram 
D) bar graph

Question 11

Which of the following is not true of ANCOVA?

Accepted Answer

A) covaries the effect of one or more nuisance variables 
B) covaries the effect of one or more nuisance variables on the independent variable 
C) covaries the effect of one or more nuisance variables on the dependent variable 
D) covaries the effect of one or more confounding variables 
A) covaries the effect of one or more nuisance variables 
B) covaries the effect of one or more nuisance variables on the independent variable 
C) covaries the effect of one or more nuisance variables on the dependent variable 
D) covaries the effect of one or more confounding variables

Question 12

A test possesses good sensitivity if it has a

Accepted Answer

A) high true-positive rate 
B) high true-negative rate 
C) high false-positive rate 
D) high false-negative rate 
A) high true-positive rate 
B) high true-negative rate 
C) high false-positive rate 
D) high false-negative rate

Question 13

A true positive is defined as

Accepted Answer

A) a test result is positive, and the patient actually has the condition 
B) a test is negative, and the patient actually has the condition 
C) a test is positive, and the patient doesn't have the condition 
D) a test is negative, and the patient doesn't have the condition 
A) a test result is positive, and the patient actually has the condition 
B) a test is negative, and the patient actually has the condition 
C) a test is positive, and the patient doesn't have the condition 
D) a test is negative, and the patient doesn't have the condition

Question 14

A test possesses good specificity if it has a

Accepted Answer

A) high true-positive rate 
B) high true-negative rate 
C) high false-positive rate 
D) high false-negative rate 
A) high true-positive rate 
B) high true-negative rate 
C) high false-positive rate 
D) high false-negative rate

Question 15

In linear discriminant function analysis, the criterion variable

Accepted Answer

A) is usually dichotomous 
B) is usually continuous 
C) is an a priori assumption by the experimenter 
D) all of the above 
E) a and c 
A) is usually dichotomous 
B) is usually continuous 
C) is an a priori assumption by the experimenter 
D) all of the above 
E) a and c

Question 16

Canonical correlation comes closest to being a technique related to

Accepted Answer

A) correlation 
B) regression 
C) factor analysis 
D) all of the above 
A) correlation 
B) regression 
C) factor analysis 
D) all of the above

Question 17

The diagnostic accuracy of a test is sometimes called the _________ of a diagnostic test.

Accepted Answer

A) likelihood 
B) sensitivity 
C) specificity 
D) efficiency 
A) likelihood 
B) sensitivity 
C) specificity 
D) efficiency

Question 18

Which of the following is not true of factor analysis?

Accepted Answer

A) there are an infinite number of correct solutions 
B) it can be used to reduce the number of items on a test or measure 
C) factor analysis designs are similar to ANOVA designs 
D) in IQ research, it found a single "g" factor 
A) there are an infinite number of correct solutions 
B) it can be used to reduce the number of items on a test or measure 
C) factor analysis designs are similar to ANOVA designs 
D) in IQ research, it found a single "g" factor

Question 19

To have a reliable factor analysis of 57 items, the study should be conducted on at least ________ people.

Accepted Answer

A) 57 
B) 285 
C) 570 
D) 1140 
A) 57 
B) 285 
C) 570 
D) 1140

Question 20

A false positive is defined as

Accepted Answer

A) a test result is positive, and the patient actually has the condition 
B) a test is negative, and the patient actually has the condition 
C) a test is positive, and the patient doesn't have the condition 
D) a test is negative, and the patient doesn't have the condition 
A) a test result is positive, and the patient actually has the condition 
B) a test is negative, and the patient actually has the condition 
C) a test is positive, and the patient doesn't have the condition 
D) a test is negative, and the patient doesn't have the condition

The statistical object of cluster analysis is to minimize _ variation and maximize variation between ___.

The number of new verified cases of a disease in a year is called

Which of the following is true about a multivariate analysis of variance?

A true negative is defined as

If a patient is harmed or killed just by the treatment for a disease, it is called the ____________ effect.

A false negative is defined as

Which of the following is true of multivariate statistics?

Shrinkage in linear discriminant function analysis can be minimalized by

Which of the following is not true about MANCOVA?

Signal detection theory can be graphically represented by a

Which of the following is not true of ANCOVA?

A test possesses good sensitivity if it has a

A true positive is defined as

A test possesses good specificity if it has a

In linear discriminant function analysis, the criterion variable

Canonical correlation comes closest to being a technique related to

The diagnostic accuracy of a test is sometimes called the _________ of a diagnostic test.

Which of the following is not true of factor analysis?

To have a reliable factor analysis of 57 items, the study should be conducted on at least ________ people.

A false positive is defined as

A Gentle Introduction

Descriptive Statistics: Understanding Distributions of Numbers

Statistical Parameters: Measures of Central Tendency and Variation

Standard Scores, the Z Distribution, and Hypothesis Testing

Inferential Statistics: The Controlled Experiment, Hypothesis Testing, and the Z Distribution

An Introduction to Correlation and Regression

The T Test for Independent Groups

The T Test for Dependent Groups

Analysis of Variance Anova: One-Factor Completely Randomized Design

After a Significant Analysis of Variance: Multiple Comparison Tests

Analysis of Variance Anova: One-Factor Repeated-Measures Design

Analysis of Variance: Two-Factor Completely Randomized Design

Post Hoc Analysis of Factorial Anova

Factorial Anova: Additional Designs

Nonparametric Statistics: The Chi-Square Test

Filters

Exam 16: Other Statistical Parameters and Tests

The statistical object of cluster analysis is to minimize _______ variation and maximize variation between _________.

The number of new verified cases of a disease in a year is called

Which of the following is true about a multivariate analysis of variance?

A true negative is defined as

If a patient is harmed or killed just by the treatment for a disease, it is called the ____________ effect.

A false negative is defined as

Which of the following is true of multivariate statistics?

Shrinkage in linear discriminant function analysis can be minimalized by

Which of the following is not true about MANCOVA?

Signal detection theory can be graphically represented by a

Which of the following is not true of ANCOVA?

A test possesses good sensitivity if it has a

A true positive is defined as

A test possesses good specificity if it has a

In linear discriminant function analysis, the criterion variable

Canonical correlation comes closest to being a technique related to

The diagnostic accuracy of a test is sometimes called the _________ of a diagnostic test.

Which of the following is not true of factor analysis?

To have a reliable factor analysis of 57 items, the study should be conducted on at least ________ people.

A false positive is defined as

A Gentle Introduction

Descriptive Statistics: Understanding Distributions of Numbers

Statistical Parameters: Measures of Central Tendency and Variation

Standard Scores, the Z Distribution, and Hypothesis Testing

Inferential Statistics: The Controlled Experiment, Hypothesis Testing, and the Z Distribution

An Introduction to Correlation and Regression

The T Test for Independent Groups

The T Test for Dependent Groups

Analysis of Variance Anova: One-Factor Completely Randomized Design

After a Significant Analysis of Variance: Multiple Comparison Tests

Analysis of Variance Anova: One-Factor Repeated-Measures Design

Analysis of Variance: Two-Factor Completely Randomized Design

Post Hoc Analysis of Factorial Anova

Factorial Anova: Additional Designs

Nonparametric Statistics: The Chi-Square Test

Filters

The statistical object of cluster analysis is to minimize _ variation and maximize variation between ___.