In the Hersey-Blanchard situational leadership model, telling is a high-task, high-relationship style, and selling is a high-task, low-relationship style.

Hersey-Blanchard

The creators of the Situational Leadership Model, which proposes that effective leadership style varies according to the maturity of team members.

Situational Leadership Model

This model suggests that there is no single "best" style of leadership; effective leadership varies with the individual or group being led and the task, job, or project at hand.

High-task

Pertaining to tasks or jobs that are highly demanding in terms of skills, effort, and time commitment, often requiring high levels of concentration and expertise.