Reliability

Define Reliability.

How well a test can predict performance and validity.

That something is trustworthy.

Reliability is the precision and consistency of test scores.

Consistency of scores between one administration of a test.

Distinguish the difference between Parallel form’s Reliability and Test-Retest Reliability.

Neither are reliable forms of test-taking.

They are the same.

Test-Retest can be up to 4 times taking the same test and Parallel Form is the correlation of two completely different tests to see the most accurate answers.

Parallel form’s reliability is comparing two test scores that are testing for the same thing by the same person and Test-Retest reliability is one person taking the same test over two different administrations.

The _____ the number, the more reliable the scores are in the test.

Smallest

Percentage of

Higher

Correlation of

Match the forms of Reliability with the correct description.

Internal Consistency

Consistency of scores within one administration of the test.

Inter-rater

The average inter-correlation between items on the test.

Cronbach's Alpha

Measure of agreement between two raters scoring the same subjective test item.

Split Half

Involves dividing the items on a particular test and correlating the two halves.

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Reliability

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