Question 1

Classical Test Theory assumes

Accepted Answer

A)  the length of a test has no bearing on its reliability. 
B)  measurement errors occur systematically. 
C)  it is not possible to estimate true scores. 
D)  the distribution of random errors is the same for every respondent. 
A)  the length of a test has no bearing on its reliability. 
B)  measurement errors occur systematically. 
C)  it is not possible to estimate true scores. 
D)  the distribution of random errors is the same for every respondent.

Question 2

An observed score is composed of

Accepted Answer

A)  the residual and the true score. 
B)  the criterion and the predictor. 
C)  the measurement error and the predictor. 
D)  the true score and the measurement error. 
A)  the residual and the true score. 
B)  the criterion and the predictor. 
C)  the measurement error and the predictor. 
D)  the true score and the measurement error.

Question 3

Which of the following would tend to provide the most conservative estimate of split-half reliability?

Accepted Answer

A)  the Phillips method 
B)  the Spearman-Brown formula 
C)  coefficient alpha 
D)  the odd-even reliability coefficient 
A)  the Phillips method 
B)  the Spearman-Brown formula 
C)  coefficient alpha 
D)  the odd-even reliability coefficient

Question 4

Classical Test Theory assumes that

Accepted Answer

A)  errors are systematic. 
B)  errors are random. 
C)  true scores cannot be estimated. 
D)  the length of a test has no bearing on its reliability. 
A)  errors are systematic. 
B)  errors are random. 
C)  true scores cannot be estimated. 
D)  the length of a test has no bearing on its reliability.

Question 5

Repeated use of the same test typically results in different scores.How does classical test theory account for this?

Accepted Answer

A)  poor test validity 
B)  systematic variability 
C)  random error 
D)  inattention 
A)  poor test validity 
B)  systematic variability 
C)  random error 
D)  inattention

Question 6

If the same test,given at different points in time to the same test takers,yields different scores,then the method typically used to assess this source of error is

Accepted Answer

A)  test-retest. 
B)  alternate forms/parallel forms. 
C)  split-half. 
D)  KR 20. 
A)  test-retest. 
B)  alternate forms/parallel forms. 
C)  split-half. 
D)  KR 20.

Question 7

In order to determine the unidimensionality of a test,you can use

Accepted Answer

A)  factor analysis. 
B)  split half reliability. 
C)  parallel forms assessment. 
D)  the Spearman-Brown prophecy formula. 
A)  factor analysis. 
B)  split half reliability. 
C)  parallel forms assessment. 
D)  the Spearman-Brown prophecy formula.

Question 8

The difference between KR 20 and coefficient alpha is

Accepted Answer

A)  KR 20 can be used to evaluate time sampling problems while alpha cannot. 
B)  Alpha can be used to evaluate time sampling problems while KR 20 cannot. 
C)  KR 20 can only be used for items scored right or wrong but Alpha can be used for items in any format. 
D)  Alpha can only be used for items scored right or wrong but KR 20 can be used for items in any format. 
A)  KR 20 can be used to evaluate time sampling problems while alpha cannot. 
B)  Alpha can be used to evaluate time sampling problems while KR 20 cannot. 
C)  KR 20 can only be used for items scored right or wrong but Alpha can be used for items in any format. 
D)  Alpha can only be used for items scored right or wrong but KR 20 can be used for items in any format.

Question 9

Theoretically,if Susie repeatedly took the 6th grade achievement test,you would be able to find her true score by finding the ____ of the distribution of her scores.

Accepted Answer

A)  mean 
B)  standard deviation 
C)  variance 
D)  standard error of measurement 
A)  mean 
B)  standard deviation 
C)  variance 
D)  standard error of measurement

Question 10

Measures of test-retest reliability are sometimes considered inappropriate for the evaluation of health status because

Accepted Answer

A)  health status tests should not given at multiple points in time. 
B)  variations in health status may be related to true changes over time rather than measurement error. 
C)  there is no domain of health status. 
D)  health status is too complicated to measure. 
A)  health status tests should not given at multiple points in time. 
B)  variations in health status may be related to true changes over time rather than measurement error. 
C)  there is no domain of health status. 
D)  health status is too complicated to measure.

Question 11

Jennifer read a report in which the agreement between raters of children's aggressive behavior was .50,indicating

Accepted Answer

A)  the raters agreed at chance levels. 
B)  agreement was poor. 
C)  agreement was excellent. 
D)  agreement was moderate. 
A)  the raters agreed at chance levels. 
B)  agreement was poor. 
C)  agreement was excellent. 
D)  agreement was moderate.

Question 12

If we repeatedly administered the same test to the same individual,the standard deviation of the person's score would be the

Accepted Answer

A)  standard error of the mean. 
B)  variance. 
C)  reliability of the test. 
D)  standard error of measurement. 
A)  standard error of the mean. 
B)  variance. 
C)  reliability of the test. 
D)  standard error of measurement.

Question 13

Which of the following is a source of measurement error?

Accepted Answer

A)  respondent sampling 
B)  scorer sampling 
C)  internal consistency 
D)  external consistency 
A)  respondent sampling 
B)  scorer sampling 
C)  internal consistency 
D)  external consistency

Question 14

Assuming the "rubber yardstick" shrinks and expands at random,what can be said about the distribution of scores from the rubber yardstick?

Accepted Answer

A)  It will have a mean of zero (0). 
B)  It will be normal. 
C)  It will have a standard error of zero (0). 
D)  It will be skewed. 
A)  It will have a mean of zero (0). 
B)  It will be normal. 
C)  It will have a standard error of zero (0). 
D)  It will be skewed.

Question 15

As opposed to reliability based on the classical test theory,____ focuses on the range of item difficulty that is useful in assessing an individual's ability.

Accepted Answer

A)  domain sampling 
B)  internal consistency 
C)  coefficient alpha 
D)  item response theory 
A)  domain sampling 
B)  internal consistency 
C)  coefficient alpha 
D)  item response theory

Question 16

Which of the following is used to estimate the number of items that should be added to a test to achieve a specified reliability?

Accepted Answer

A)  KR 20 
B)  coefficient alpha 
C)  Spearman-Brown prophecy formula 
D)  split-half technique 
A)  KR 20 
B)  coefficient alpha 
C)  Spearman-Brown prophecy formula 
D)  split-half technique

Question 17

Items are probably measuring the same thing when the correlation between an item and the total score

Accepted Answer

A)  is high. 
B)  is low. 
C)  approaches 0. 
D)  is negative. 
A)  is high. 
B)  is low. 
C)  approaches 0. 
D)  is negative.

Question 18

Correction for attenuation is used

Accepted Answer

A)  to estimate the validity of a test. 
B)  to correct for tests that are short. 
C)  to correct for tests that are long. 
D)  to estimate the true correlation between variables that have been measured with error. 
A)  to estimate the validity of a test. 
B)  to correct for tests that are short. 
C)  to correct for tests that are long. 
D)  to estimate the true correlation between variables that have been measured with error.

Question 19

Which of the following is a problem in evaluating the agreement between observers in behavioral studies?

Accepted Answer

A)  The observers are usually not trained. 
B)  The behaviors being studied are usually not directly observable. 
C)  There will always be some agreement by chance. 
D)  There is no method for evaluating the agreement between observers. 
A)  The observers are usually not trained. 
B)  The behaviors being studied are usually not directly observable. 
C)  There will always be some agreement by chance. 
D)  There is no method for evaluating the agreement between observers.

Question 20

The prophecy formula is used to

Accepted Answer

A)  predict expected values. 
B)  estimate how long a test must be to achieve a desired level of reliability. 
C)  estimate how long a test must be to achieve a desired level of validity. 
D)  calculate test reliability. 
A)  predict expected values. 
B)  estimate how long a test must be to achieve a desired level of reliability. 
C)  estimate how long a test must be to achieve a desired level of validity. 
D)  calculate test reliability.

Exam 4: Reliability

Classical Test Theory assumes

An observed score is composed of

Which of the following would tend to provide the most conservative estimate of split-half reliability?

Classical Test Theory assumes that

Repeated use of the same test typically results in different scores.How does classical test theory account for this?

If the same test,given at different points in time to the same test takers,yields different scores,then the method typically used to assess this source of error is

In order to determine the unidimensionality of a test,you can use

The difference between KR 20 and coefficient alpha is

Theoretically,if Susie repeatedly took the 6th grade achievement test,you would be able to find her true score by finding the ____ of the distribution of her scores.

Measures of test-retest reliability are sometimes considered inappropriate for the evaluation of health status because

Jennifer read a report in which the agreement between raters of children's aggressive behavior was .50,indicating

If we repeatedly administered the same test to the same individual,the standard deviation of the person's score would be the

Which of the following is a source of measurement error?

Assuming the "rubber yardstick" shrinks and expands at random,what can be said about the distribution of scores from the rubber yardstick?

As opposed to reliability based on the classical test theory,____ focuses on the range of item difficulty that is useful in assessing an individual's ability.

Which of the following is used to estimate the number of items that should be added to a test to achieve a specified reliability?

Items are probably measuring the same thing when the correlation between an item and the total score

Correction for attenuation is used

Which of the following is a problem in evaluating the agreement between observers in behavioral studies?

The prophecy formula is used to

Introduction

Norms and Basic Statistics for Testing

Correlation and Regression

Validity

Writing and Evaluating Test Items

Test Administration

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

Test Bias

Testing and the Law

Ethics and the Future of Psychological Testing

Filters

Theoretically,if Susie repeatedly took the 6^th grade achievement test,you would be able to find her true score by finding the ____ of the distribution of her scores.