Compléter 300-testVersion en ligne 300-test par Farhad Key 1 integrative apply sense approach heads emulate each moves In search of lessons to in our own careers , we often try to what effective leaders do . Roger Martin says this focus is misplaced , because that work in one context may make little in another . A more productive , though more difficult , is to look at how such leaders think . After extensive interviews with more than 50 of them , the author discovered that most are thinkers ? that is , they can hold in their two opposing ideas at once and then come up with a new idea that contains elements of but is superior to both .