Answer:
Practical.
Explanation:
As the exercise explains, what Robert Sternberg determined as the "practical" ability is to be able to use information to get along in life. People who have it know how to be tactful, how to manipulate situations to their advantage, and how to use inside information to increase their odds of success. This "street smarts" are skills or responses to situations which are developed through experience. A practial person will undoubtedly be able to walk through life in such a way that they will get the "upper" hand in many situations.