प्रतिचयन या प्रतिदर्श सिद्धांत
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बुद्धि के सिद्धांत (Theory of intelligence) अलग-अलग मनोवैज्ञानिकों द्वारा बुद्धि के कई सिद्धांत दिए गये है। जिनमें से कुछ निम्न प्रकार है- एक तत्व सिद्धांत ...
Hamid Ali
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