It had taken 15 years to complete; before it was completed it had already circulated through a small group of social psychologists.
تکمیل این کتاب ۱۵ سال به درازا کشید، و پیش از آن‌که تکمیل شود، میان گروه کوچکی از روان‌شناسان اجتماعی چرخیده‌بود.