Nissan had become a symbol of Japan's automobile industry. Two weeks after arriving at Nissan, a senior executive set up nine cross$-$functional teams to scrutinize Nissan's businesses. Each team's members came from different departments and were picked on the basis not of seniority$,$ but of their fervor for reform. One of the $\_\_\_\_\_\_\_\_\_\_$ was that all team members be enthusiastic about reform.