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Alternate Forms Reliability Quiz

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Questions and Answers

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?

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?

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?

Children might gain self-confidence if they did well on Test 1 Signup and view all the answers

Why is it difficult to achieve alternate forms reliability?

Because it is impossible to create two tests that are truly equivalent Signup and view all the answers

What is a potential consequence of carry-over effects on the correlation between Test 1 and Test 2 scores?

The correlation might be weaker than expected Signup and view all the answers

Which of the following is a key assumption of test-retest reliability?

The test should be administered on two different occasions Signup and view all the answers

What is the main advantage of test-retest reliability over parallel forms reliability?

It only requires one test to be created Signup and view all the answers

What is the main assumption of test-retest reliability regarding the construct of interest?

It is a stable construct that does not change over time Signup and view all the answers

What is the potential consequence of administering the same test twice without changing any of the items?

Increased susceptibility to practice effects Signup and view all the answers

Under what circumstances might it be possible to assume equal error variances in a reliability study?

When participants are tested under the same conditions Signup and view all the answers

What is the potential consequence of assuming equal error variances when they are not actually equal in a reliability study?

An overestimation of reliability Signup and view all the answers

What is the typical range of time intervals used in most test-retest studies?

2 to 8 weeks Signup and view all the answers

How does the length of the test-retest interval affect the correlation between scores?

It affects the magnitude of the correlation Signup and view all the answers

What is the main limitation of the test-retest approach to the estimation of reliability, thus causing it to be called a "stability coefficient"?

We can never really know how stable a construct is, so cannot break up the 'error variance' into true score changes and genuine error variance. Signup and view all the answers