लुई थर्स्टन के अंतिम समूह कारक सिद्धांत (Group Factor Theory) के अनुसार, बुद्धि को कितनी प्राथमिक मानसिक क्षमताएं या कारक नियंत्रित करते हैं?

Vikram is a professional athlete who has won many accolades for his country. Recently, he won a gold medal in a world competition. However, he has problems when he talks to his family and friends and cannot forge a successful relationship of any kind. Which of the following theories can explain this?

In his Group Factor Theory of intelligence, Louis Thurstone subdivided the 'Reasoning Ability' into how many distinct parts?