You Compare a Student's Scores on Reading and Math Tests

question 19

Multiple Choice

You compare a student's scores on reading and math tests. So, what you are really interpreting is a difference. What would you expect the reliability of the difference to be in comparison to the reliabilities of the reading and math tests? Reliability of the difference is likely ___

• A) The average of the reliabilities of the two original tests
• B) Noticeably less than reliabilities of the two original tests
• C) Noticeably more than reliabilities of the two original tests
• D) Somewhat higher than the reliabilities of the two original tests

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Definitions:

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