The continuing development of leadership research calls for measurement instruments that can tap into the communication process between leaders and members. The purpose of this present research is to develop and validate a Leader–Member Conversational Quality (LMCQ) scale—an instrument that measures the quality of conversations between leaders and members in the workplace. A series of three studies were conducted. Study I involved item generation and content validity assessment. Study II undertook the task of scale construction and reliability assessment. Study III tested the convergent, discriminant, and criterion-related validity of the scale. These studies resulted in a nine-item instrument with sufficient psychometric properties. The ability of the instrument to assess conversational practices quantitatively will help generate greater insights into leader–member communication dynamics and their consequences.