His subsequent research, published in the 1977 Harvard Business Review article "Power is the Great Motivator", found that those in top management positions had a high need for power and a low need for affiliation. His research also found that people with a high need for achievement will do best when given projects where they can succeed through their own efforts. Although individuals with a strong need for achievement can be successful lower-level managers, they are usually weeded out before reaching top management positions.