सामाजिक अधिगम सिद्धांत से संबंधित प्रसिद्ध 'बोबो डॉल प्रयोग' किस मनोवैज्ञानिक द्वारा किया गया था?

Why is it important for a child to apply and implement practically all that has been learnt?

When students read books or texts primarily for pleasure and general enjoyment, they are engaged in: