Research Methodology · Experimental Validity
A. यादृच्छिकीकरण (Randomisation)
B. सामान्यीकरण (Generalisability)
C. परिपक्वता (Maturation)
D. इतिहास (History)
E. उपकरण (Instrumentation)
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए:
- 1केवल A, B और C
- 2केवल B, C और D
- 3केवल C, D और E✓
- 4केवल A, B और E
सही उत्तर देखें
केवल C, D और E
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