Question 1

A common use of correlation is to determine evidence for

Accepted Answer

A)  criterion validity. 
B)  face validity. 
C)  a normative sample. 
D)  a scatter plot. 
A)  criterion validity. 
B)  face validity. 
C)  a normative sample. 
D)  a scatter plot.

Question 2

X and Y correlate .2.What is the coefficient of determination of this relation?

Accepted Answer

A)  0 
B)  .04 
C)  .45 
D)  .75 
A)  0 
B)  .04 
C)  .45 
D)  .75

Question 3

How is discriminant analysis different from multiple regression?

Accepted Answer

A)  In discriminant analysis,the criterion variable is a set of categories rather than a continuous variable. 
B)  The criterion variable is continuous in discriminant analysis but not in multiple regression. 
C)  Discriminant analysis is a form of factor analysis,while multiple regression is not. 
D)  Discriminant analysis and multiple regression involve exactly the same process. 
A)  In discriminant analysis,the criterion variable is a set of categories rather than a continuous variable. 
B)  The criterion variable is continuous in discriminant analysis but not in multiple regression. 
C)  Discriminant analysis is a form of factor analysis,while multiple regression is not. 
D)  Discriminant analysis and multiple regression involve exactly the same process.

Question 4

The intercept is the

Accepted Answer

A)  value obtained using the equation to predict scores. 
B)  slope of the regression line. 
C)  value of Y when X is zero. 
D)  standard deviation of a test score. 
A)  value obtained using the equation to predict scores. 
B)  slope of the regression line. 
C)  value of Y when X is zero. 
D)  standard deviation of a test score.

Question 5

In regression plots,a perfect forecaster of the criterion is at a(n)

Accepted Answer

A)  45 degree angle. 
B)  90 degree angle. 
C)  0 degree angle. 
D)  100 degree angle. 
A)  45 degree angle. 
B)  90 degree angle. 
C)  0 degree angle. 
D)  100 degree angle.

Question 6

Suppose you had a series of eight measures of anxiety that you administered to a sample.You would use the statistical technique referred to as ____ in order to test the hypothesis that they are all measuring the same thing (anxiety).

Accepted Answer

A)  linear regression 
B)  multiple regression 
C)  discriminant analysis 
D)  factor analysis 
A)  linear regression 
B)  multiple regression 
C)  discriminant analysis 
D)  factor analysis

Question 7

Which of the following four pairs of numbers describes a nonlinear relation?

Accepted Answer

A)  (2,4), (4,8), (0,0), (-2,-4) 
B)  (0,0), (1,1), (2,4), (3,9) 
C)  (4,3), (2,-1), (-2,-9), (0,-5) 
D)  (4,-9), (2,-1), (-2,-2), (0,-5) 
A)  (2,4), (4,8), (0,0), (-2,-4) 
B)  (0,0), (1,1), (2,4), (3,9) 
C)  (4,3), (2,-1), (-2,-9), (0,-5) 
D)  (4,-9), (2,-1), (-2,-2), (0,-5)

Question 8

The correlation coefficient can take any value from

Accepted Answer

A)  -1.0 to 1.0. 
B)  0 to 1.0. 
C)  -1.0 to 0. 
D)  1.0 to 10.0. 
A)  -1.0 to 1.0. 
B)  0 to 1.0. 
C)  -1.0 to 0. 
D)  1.0 to 10.0.

Question 9

In the linear equation Y´ = a + bX,"a" is called

Accepted Answer

A)  the regression coefficient. 
B)  the intercept. 
C)  the actual score. 
D)  the predicted score. 
A)  the regression coefficient. 
B)  the intercept. 
C)  the actual score. 
D)  the predicted score.

Question 10

It is difficult to observe significant correlation between the GRE score and graduate school GPA among elite graduate students because of

Accepted Answer

A)  range restriction. 
B)  the elite syndrome. 
C)  unreliability in the GRE. 
D)  shrinkage. 
A)  range restriction. 
B)  the elite syndrome. 
C)  unreliability in the GRE. 
D)  shrinkage.

Question 11

Which of the following is used to describe the relationship between two dichotomous variables,at least one of which is a true dichotomy?

Accepted Answer

A)  tetrachoric correlation 
B)  phi coefficient 
C)  point biserial correlation 
D)  Spearman's rho 
A)  tetrachoric correlation 
B)  phi coefficient 
C)  point biserial correlation 
D)  Spearman's rho

Question 12

In order to determine the relationship between sex of subject and income level,one would use the

Accepted Answer

A)  phi coefficient. 
B)  point biserial correlation. 
C)  Spearman's rho. 
D)  Pearson r. 
A)  phi coefficient. 
B)  point biserial correlation. 
C)  Spearman's rho. 
D)  Pearson r.

Question 13

People who drink caffeinated beverages tend to experience increased alertness and psychomotor activity.This demonstrates a(n)

Accepted Answer

A)  positive correlation. 
B)  negative correlation. 
C)  zero correlation. 
D)  unknown. 
A)  positive correlation. 
B)  negative correlation. 
C)  zero correlation. 
D)  unknown.

Question 14

What type of prediction uses information gained from representative groups?

Accepted Answer

A)  normative 
B)  regressive 
C)  correlational 
D)  transformative 
A)  normative 
B)  regressive 
C)  correlational 
D)  transformative

Question 15

Compare and contrast shrinkage and restriction of range.

Accepted Answer

Shrinkage and restriction of range are b

Question 16

When you know nothing about a person's academic ability,the best estimate of his or her academic ability should be based on the

Accepted Answer

A)  mean. 
B)  Z score. 
C)  criterion. 
D)  correlation. 
A)  mean. 
B)  Z score. 
C)  criterion. 
D)  correlation.

Question 17

If the line that comes closest to all points in a scatter diagram is perfectly straight,the correlation between the two variables is

Accepted Answer

A)  linear. 
B)  curvilinear. 
C)  positive. 
D)  unknown. 
A)  linear. 
B)  curvilinear. 
C)  positive. 
D)  unknown.

Question 18

Correlation coefficients can be tested for significance using the

Accepted Answer

A)  Z distribution. 
B)  t distribution. 
C)  principle of least squares. 
D)  regression distribution. 
A)  Z distribution. 
B)  t distribution. 
C)  principle of least squares. 
D)  regression distribution.

Question 19

One formula for the correlation between two dichotomous variables is

Accepted Answer

A)  Spearman's rank order formula. 
B)  the point biserial correlation. 
C)  the phi coefficient. 
D)  the biserial correlation. 
A)  Spearman's rank order formula. 
B)  the point biserial correlation. 
C)  the phi coefficient. 
D)  the biserial correlation.

Question 20

A study demonstrates that the number of cigarettes smoked per day is significantly correlated with the number of respiratory infections experienced by young adults.This observation suggests that

Accepted Answer

A)  cigarette smoking causes respiratory infections. 
B)  cigarette smoking does not cause respiratory infections. 
C)  cigarette smoking causes some respiratory infections but not others. 
D)  the data do not allow inferences about causation. 
A)  cigarette smoking causes respiratory infections. 
B)  cigarette smoking does not cause respiratory infections. 
C)  cigarette smoking causes some respiratory infections but not others. 
D)  the data do not allow inferences about causation.

A common use of correlation is to determine evidence for

X and Y correlate .2.What is the coefficient of determination of this relation?

How is discriminant analysis different from multiple regression?

The intercept is the

In regression plots,a perfect forecaster of the criterion is at a(n)

Suppose you had a series of eight measures of anxiety that you administered to a sample.You would use the statistical technique referred to as ____ in order to test the hypothesis that they are all measuring the same thing (anxiety).

Which of the following four pairs of numbers describes a nonlinear relation?

The correlation coefficient can take any value from

In the linear equation Y´ = a + bX,"a" is called

It is difficult to observe significant correlation between the GRE score and graduate school GPA among elite graduate students because of

Which of the following is used to describe the relationship between two dichotomous variables,at least one of which is a true dichotomy?

In order to determine the relationship between sex of subject and income level,one would use the

People who drink caffeinated beverages tend to experience increased alertness and psychomotor activity.This demonstrates a(n)

What type of prediction uses information gained from representative groups?

Compare and contrast shrinkage and restriction of range.

When you know nothing about a person's academic ability,the best estimate of his or her academic ability should be based on the

If the line that comes closest to all points in a scatter diagram is perfectly straight,the correlation between the two variables is

Correlation coefficients can be tested for significance using the

One formula for the correlation between two dichotomous variables is

A study demonstrates that the number of cigarettes smoked per day is significantly correlated with the number of respiratory infections experienced by young adults.This observation suggests that

Introduction

Norms and Basic Statistics for Testing

Reliability

Validity

Test Bias

Writing and Evaluating Test Items

Interviewing Techniques

Theories of Intelligence and the Binet Scales

The Wechsler Intelligence Scales: Wais-Iv, wisc-Iv, and Wppsi-III

Other Individual Tests of Ability in Education and Special Education

Standardized Tests in Education, civil Service, and the Military

Applications in Clinical and Counseling Settings

Projective Personality Tests

Computers and Basic Psychological Science in Testing

Testing in Counseling Psychology

Testing in Health Psychology and Health Care

Testing in Industrial and Business Settings

Ethics and the Future of Psychological Testing

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Exam 3: Correlation and Regression

A common use of correlation is to determine evidence for

X and Y correlate .2.What is the coefficient of determination of this relation?

How is discriminant analysis different from multiple regression?

The intercept is the

In regression plots,a perfect forecaster of the criterion is at a(n)

Suppose you had a series of eight measures of anxiety that you administered to a sample.You would use the statistical technique referred to as ____ in order to test the hypothesis that they are all measuring the same thing (anxiety).

Which of the following four pairs of numbers describes a nonlinear relation?

The correlation coefficient can take any value from

In the linear equation Y´ = a + bX,"a" is called

It is difficult to observe significant correlation between the GRE score and graduate school GPA among elite graduate students because of

Which of the following is used to describe the relationship between two dichotomous variables,at least one of which is a true dichotomy?

In order to determine the relationship between sex of subject and income level,one would use the

People who drink caffeinated beverages tend to experience increased alertness and psychomotor activity.This demonstrates a(n)

What type of prediction uses information gained from representative groups?

Compare and contrast shrinkage and restriction of range.

When you know nothing about a person's academic ability,the best estimate of his or her academic ability should be based on the

If the line that comes closest to all points in a scatter diagram is perfectly straight,the correlation between the two variables is

Correlation coefficients can be tested for significance using the

One formula for the correlation between two dichotomous variables is

A study demonstrates that the number of cigarettes smoked per day is significantly correlated with the number of respiratory infections experienced by young adults.This observation suggests that

Introduction

Norms and Basic Statistics for Testing

Reliability

Validity

Test Bias

Writing and Evaluating Test Items

Interviewing Techniques

Theories of Intelligence and the Binet Scales

The Wechsler Intelligence Scales: Wais-Iv, wisc-Iv, and Wppsi-III

Other Individual Tests of Ability in Education and Special Education

Standardized Tests in Education, civil Service, and the Military

Applications in Clinical and Counseling Settings

Projective Personality Tests

Computers and Basic Psychological Science in Testing

Testing in Counseling Psychology

Testing in Health Psychology and Health Care

Testing in Industrial and Business Settings

Ethics and the Future of Psychological Testing

Filters