QUESTIONS
Question 1
An estimate of the reliability of a speed test is a measure of what?
- the diversity of difficulty among test items
- the consistency of the response speed
- the homogeneity of the test items
- all of these
Question 2
Jessica is given a test where the time limit is long enough for her and other people to attempt all items. However, some items are so difficult that it is unlikely that anyone is able to obtain a perfect score. This is referred to as what kind of test?
- speed
- power
- reliable
- valid
Question 3
What is true about a confidence interval?
- It has proven test-retest reliability.
- It is calculated using the standard error of the difference.
- It is likely to contain the true score.
- None of these
Question 4
A test entails behavioral observation and rating of receptionists at a hotel check-in to determine whether or not they greet guests with a smile. Which type of error is this test most susceptible to?
- test administration error
- test construction error
- examiner-related error
- polling error
Question 5
Tina and George are part of a research team and are watching television programs to see how many acts of violence are shown in each show. After they have watched 10 shows, they enter their data and determine how similar their scores were across the 10 shows. This refers to what type of reliability?
- inter-scorer
- split-half
- coefficient alpha
- average proportional distance
Question 6
Which type of reliability estimate would be appropriate only when evaluating the reliability of a test that measures a trait that is presumed to be relatively stable time?
- parallel-forms
- test-retest
- alternate-forms
- split-half
Question 7
If a student received a score of 50 on a math test with a standard error of measurement of 3, which of the following statements would be TRUE of the “true score”?
- In 68% of the cases, the “true score” would be expected to be between 44 and 56.
- In 68% of the cases, the “true score” would be expected to be between 47 and 53.
- In 95% of the cases, the “true score” would be expected to be between 47 and 53.
- In 95% of the cases, the “true score” would be expected to be between 44 and 56.
Question 8
Which of the following is an example of a source of error variance?
- The sample for a voter survey for a Presidential election was taken from a small town in Iowa.
- The items on the test were written by one than more highly skilled test developers.
- Interviewers were not trained to ask questions in the same way.
- Both a and c are correct
Question 9
An oil company is testing a group of candidates for their aptitude in accounting and finance. As the testing begins, an unexpected sit-in with an environmental group takes place. The candidates can hear chanting as they take an accounting test. From a psychometric perspective in the context of this testing, the sit-in is viewed as what?
- random error
- systematic error
- test administration error
- background error
Question 10
Which of the following factors may influence a split-half reliability estimate?
- fatigue
- anxiety
- item difficulty
- all of these
ANSWERS
Question 1
An estimate of the reliability of a speed test is a measure of what?
- the diversity of difficulty among test items
- the consistency of the response speed
- the homogeneity of the test items
- all of these
Correct Answer: the consistency of the response speed
Question 2
Jessica is given a test where the time limit is long enough for her and other people to attempt all items. However, some items are so difficult that it is unlikely that anyone is able to obtain a perfect score. This is referred to as what kind of test?
- speed
- power
- reliable
- valid
Correct Answer:…
Question 3 ….
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