Teaching Aptitude · Research Methodology
Who defined scientific research as 'systematic, controlled, empirical and critical investigation of hypothetical propositions about the presumed relations among natural phenomena'?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Paul Leedy
- 2PHL
- 3McGrath
- 4Kerlinger✓
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Kerlinger
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