Joe looked for opportunities to socialize or talk with the new delivery person and projected a friendly attitude. He was enthusiastic, even animated when talking, using wide, free-flowing gestures, and used direct eye contact and gave an enthusiastic, warm handshake. He smiled and used open body language, shared feelings. He also preferred informal first-name communication, and spoke loudly and expressively with a wide range of inflection. These behaviors exhibited by Joe show that he most likely has a preference for which style?