What is a key feature of something done 'effectively'?

The key feature of something done 'effectively' is reaching the intended outcome. Effectiveness is primarily about achieving the desired goals or results in a given context. Whether in communication, action, or decision-making, effectiveness is measured by how well an approach fulfills its purpose or meets specific objectives.

While taking more time, producing consistent results, or making a task appear easy can be aspects of different processes, they don't necessarily equate to effectiveness. For instance, spending excessive time may hinder progress rather than contribute to achieving goals. Consistency in results can be important in some contexts, but effectiveness is not restricted to producing identical outcomes; it’s about achieving what is intended regardless of the variation in the approach. Similarly, tasks may look easy but may not be effective if they fail to achieve the desired goals. Therefore, the essence of effectiveness lies in successfully reaching the intended outcome.