Education · Research Methodology
In psychometrics and research design, 'reliability' is most fundamentally defined as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The extent to which an instrument measures what it claims to measure
- 2The degree of structural validity of a test item
- 3The consistency or stability of measurement scores across repeated trials✓
- 4The rank-order distribution of participants based on external characteristics
Correct answer
The consistency or stability of measurement scores across repeated trials
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