Question 1

The value of Cronbach's alpha is based on an average of

Accepted Answer

A)  the values obtained for test-retest and split half correlations. 
B)  all inter-item correlations coefficients and the number of items in the measure. 
C)  the scores from tests given to different individuals. 
D)  the correlation between scores on a shortened version and a longer version of the measure.

Question 2

Which one of the following is a method for assessing the reliability of a measure?

Accepted Answer

A)  Determine whether or not people lie when giving answers to the question. 
B)  Use the measure twice on the same person under similar circumstances. 
C)  Ask probing questions to see if individuals truly understand what is being asked. 
D)  Vary the test items from one participant to another to determine the amount of error inherent in the measure.

Question 3

To assess the reliability of a measure,Amy administers different versions of the same test to the same individuals at two points in time.This procedure would be an example of _____ reliability.

Accepted Answer

A)  test-retest 
B)  version 
C)  alternate forms 
D)  split-half

Question 4

Richard and Jacqueline are movie reviewers for the local newspaper.Both have just watched the same movie.Both assign the movie 5 out of 5 stars.Based on their ratings,we might conclude that there is

Accepted Answer

A)  high reactivity. 
B)  high interrater reliability. 
C)  low reactivity. 
D)  low interrater reliability.

Question 5

Face validity refers to whether or not the measure

Accepted Answer

A)  yields the same score for the same participant across different circumstances. 
B)  correlates positively with other measures of the same variable. 
C)  correlates negatively with other measures of the same variable. 
D)  appears to measure what it is supposed to measure.

Question 6

Toby finds that his measure of honesty has a high correlation with Hooper's measure of honesty.This finding would be an example of _____ validity.

Accepted Answer

A)  convergent 
B)  discriminant 
C)  face 
D)  internal

Question 7

A researcher has devised an Interpersonal Skills Test that consists of a type of ruler that shows a person's shoe size.This test probably has ________ and ________.

Accepted Answer

A)  high reliability;high validity 
B)  low reliability;low validity 
C)  high reliability;low validity 
D)  low reliability;high validity

Question 8

A researcher has developed a measure of a person's ability to detect colours.He finds the measure is not related to a person's spelling ability.This finding would illustrate what type of validity?

Accepted Answer

A)  Convergent 
B)  Discriminant 
C)  Reliable 
D)  Face

Question 9

You are constructing a test of knowledge of research methods.In doing so,you use your textbook for this class to devise 100 true-false questions on various aspects of research methods.Without conducting any research,you can be most certain of which validity of this test?

Accepted Answer

A)  Construct 
B)  Face 
C)  Criterion 
D)  Divergent

Question 10

A measure is reactive if the measurement

Accepted Answer

A)  is unobtrusive. 
B)  occurs in a laboratory setting. 
C)  changes the behaviour being studied. 
D)  is unreliable.

Question 11

You are developing a measure of skills needed for the successful performance of a job.You include items the job supervisor feels are relevant for the job.What type of validity would this procedure best represent?

Accepted Answer

A)  Face 
B)  Convergent 
C)  Divergent 
D)  Concurrent

Question 12

The more _____ in a measure,the smaller the variability of scores in the measure.

Accepted Answer

A)  true score 
B)  measurement error 
C)  reliability 
D)  validity

Question 13

A reliability coefficient determined by the correlation between scores on half of the items on a measure with scores on the other half of the measure is an example of _____ reliability.

Accepted Answer

A)  test-retest 
B)  item-total 
C)  alternate half 
D)  internal consistency

Question 14

Two researchers observe aggressive behaviours displayed by preschool children.One observer records a large number of aggressive acts displayed within a one-hour period while a second observer records relatively few aggressive acts.Based on these results,we might conclude that there is

Accepted Answer

A)  high reactivity. 
B)  high interrater reliability. 
C)  low reactivity. 
D)  low interrater reliability.

Question 15

If a measure is reliable,then you should find a

Accepted Answer

A)  high positive correlation coefficient between scores on the measure. 
B)  low positive correlation coefficient between scores on the measure. 
C)  correlation coefficient of zero. 
D)  low negative correlation coefficient between scores on the measure.

Question 16

Categorizing automobiles as American-made or Foreign-made would be an example of a(n)_____ scale.

Accepted Answer

A)  nominal 
B)  ordinal 
C)  interval 
D)  ratio

Question 17

Researchers have identified style of leadership as relationship- or task-oriented.This categorization of leadership style represents a(n)_____ measurement scale.

Accepted Answer

A)  nominal 
B)  ordinal 
C)  interval 
D)  ratio

Question 18

If research finds that candidates who score high on a medical college admissions test do better in medical school than those who score low on this test,we would say the test has _____ validity.

Accepted Answer

A)  concurrent 
B)  convergent 
C)  discriminative 
D)  predictive

Question 19

Your car speedometer fluctuates between 15 and 90 miles per hour as you are driving on a freeway at a constant speed.As a measure of speed,your car speedometer is low in

Accepted Answer

A)  reliability. 
B)  face validity. 
C)  reactivity. 
D)  measurement error.

Question 20

Research that examines the relationship between a measure and the criterion behaviour at the same time is assessing which type of validity?

Accepted Answer

A)  Face 
B)  Divergent 
C)  Concurrent 
D)  Convergent

Exam 5: Measurement Concepts