Child Development and Pedagogy · Theories of Intelligence
बुद्धि के 'द्वि-कारक सिद्धांत' (Two-factor theory) का प्रतिपादन किसके द्वारा किया गया था?
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- 2चार्ल्स स्पीयरमैन✓
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चार्ल्स स्पीयरमैन
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