Education · Research Methodology and Statistics
The Spearman-Brown prophecy formula is used in educational and psychological testing to estimate the:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Reliability of a test✓
- 2Validity of a test
- 3Discriminating power of a test item
- 4Difficulty index of a test item
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Reliability of a test
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