General Studies · Psychometrics and Testing
Which of the following statistics can be used as item discrimination indices? (I) Phi-coefficient (II) Point-Biserial correlation (III) Spearman's Rho
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(I), (II) and (III)
- 2(I) and (II) only✓
- 3(II) only
- 4(I) only
Correct answer
(I) and (II) only
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