GACE School Psychology (724) Practice Questions - GACE School Psychology Assessment (Test I 105, Test II 106) Exam

A reliability coefficient of .90 is reported for a cognitive test. What does this value indicate about the test scores?

Approximately 90% of the score variance is attributable to true-score variance rather than measurement error The test is 90% valid for predicting academic achievement 90% of students who take the test will pass The test correlates .90 with all other cognitive measures

Correct Answer:

Approximately 90% of the score variance is attributable to true-score variance rather than measurement error

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