Their first night in the residence hall, karl invited his new roommate to go to the union to shoot some pool and eat a pizza. what strategy was karl using to gather information about his roommate? passive active interactive strategic

Carl was probably worried if his roommate liked pizza or would he choose a salad. Carl asked him to shoot some pool to see if his roommate was a hustler or what. Carl must have been worried. Over all Carl chose an interactive way to gather information. I mean he could have paid for a background check. Carl is a good guy.