Question: Identify a true statement about the Spearman-Brown formula. Multiple choice question. It cannot be used to estimate the reliability of tests that have been lengthened

Identify a true statement about the Spearman-Brown formula. Multiple choice question. It cannot be used to estimate the reliability of tests that have been lengthened or shortened. It allows a test user to estimate internal consistency reliability from a correlation of two halves of a test formula. It is appropriate for measuring the reliability of heterogeneous tests and speed tests. It cannot be used to estimate the reliability of a whole test based on the reliability of one half of a test

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