Podcast
Questions and Answers
What is alternate forms reliability?
What is alternate forms reliability?
- A measure of consistency between two tests that are not based on the same items (correct)
- A measure of consistency between two different constructs
- A measure of consistency between two tests that are based on the same items
- A measure of consistency between two tests taken by the same person
Why is alternate forms reliability often considered impossible in practice?
Why is alternate forms reliability often considered impossible in practice?
- Because the two tests are taken by different people
- Because the two tests are based on the same items
- Because the two tests are not based on the same items (correct)
- Because the two tests measure different constructs
What is a potential issue with using alternate forms reliability?
What is a potential issue with using alternate forms reliability?
- Construct validity
- Test-retest reliability
- Internal consistency
- Carry-over effects (correct)
Which of the following is a potential carry-over effect of giving children Test 1 and then Test 2 on consecutive days?
Which of the following is a potential carry-over effect of giving children Test 1 and then Test 2 on consecutive days?
Why is it difficult to achieve alternate forms reliability?
Why is it difficult to achieve alternate forms reliability?
What is a potential consequence of carry-over effects on the correlation between Test 1 and Test 2 scores?
What is a potential consequence of carry-over effects on the correlation between Test 1 and Test 2 scores?
Which of the following is a key assumption of test-retest reliability?
Which of the following is a key assumption of test-retest reliability?
What is the main advantage of test-retest reliability over parallel forms reliability?
What is the main advantage of test-retest reliability over parallel forms reliability?
What is the main assumption of test-retest reliability regarding the construct of interest?
What is the main assumption of test-retest reliability regarding the construct of interest?
What is the potential consequence of administering the same test twice without changing any of the items?
What is the potential consequence of administering the same test twice without changing any of the items?
Under what circumstances might it be possible to assume equal error variances in a reliability study?
Under what circumstances might it be possible to assume equal error variances in a reliability study?
What is the potential consequence of assuming equal error variances when they are not actually equal in a reliability study?
What is the potential consequence of assuming equal error variances when they are not actually equal in a reliability study?
What is the typical range of time intervals used in most test-retest studies?
What is the typical range of time intervals used in most test-retest studies?
How does the length of the test-retest interval affect the correlation between scores?
How does the length of the test-retest interval affect the correlation between scores?
What is the main limitation of the test-retest approach to the estimation of reliability, thus causing it to be called a "stability coefficient"?
What is the main limitation of the test-retest approach to the estimation of reliability, thus causing it to be called a "stability coefficient"?
