Mathematics · Statistics & Reliability
The correlation coefficient between scores on two halves of a given test is 0.50. Using the Spearman-Brown prophecy formula, what is the reliability coefficient of the total test?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1+1.00
- 20.67✓
- 3-1.00
- 40.76
Correct answer
0.67
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