A superior – regardless of whether or not they are running the actual meeting – lead discussions, ask questions and have the ability to speak for longer periods of time without interruption. Likewise, research shows that turn-taking is also influenced by power. Social psychologist Nancy Henley notes that "Subordinates are expected to yield to superiors and there is a cultural expectation that a subordinate will not interrupt a superior".[1]: 326 The length of response follows the same pattern.