Which mediator in the goal-setting model focuses behaviors on activities expected to result in goal achievement and steers the individual away from activities irrelevant to achieving the goals?

A) persistence
B) effort
C) direction of attention
D) task strategy

The mediator that focuses behaviors on activities expected to result in goal achievement and steers the individual away from irrelevant activities is the direction of attention. This mediator helps individuals prioritize their actions towards accomplishing their goals. Persistence and effort are related to an individual's level of motivation and determination towards achieving their goals, while task strategy refers to the specific approach or technique used to attain the goal.