General Studies · Intelligence
बुद्धि का 'द्वि-कारक सिद्धांत' (Two-factor Theory) किसके द्वारा प्रतिपादित किया गया था?
- 1गिल्फोर्ड (Guilford)
- 2स्पीयरमैन (Spearman)✓
- 3स्किनर (Skinner)
- 4वेक्सलर (Wechsler)
सही उत्तर देखें
स्पीयरमैन (Spearman)
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