A worker who continues to tackle difficult tasks until they are done is demonstrating what trait?

The correct answer is perseverance. This trait specifically refers to the ability to maintain effort and conviction in the face of challenges or difficulties. When a worker continues to tackle difficult tasks until completion, they are exemplifying perseverance by not giving up, even when the work becomes tough or time-consuming.

Perseverance is characterized by enduring hard work and remaining focused on goals despite obstacles or failures that may arise along the way. It involves a steadfastness that drives a person to keep on pushing through challenges until they achieve their desired outcome.

While commitment, persistence, and dedication are related concepts, they do not encapsulate the same emphasis on overcoming struggles that perseverance does. Commitment generally refers to being devoted to a cause or activity; persistence implies continuing despite setbacks but may not emphasize the enduring struggle as much; and dedication is about the quality of being devoted, often implying loyalty or commitment but lacking the connotation of facing difficulties head-on.