Among the given theories, the one that emphasizes the importance of setting specific and challenging goals to enhance performance is widely recognized for its effectiveness in motivating individuals. This theory posits that clear, well-defined goals serve as a powerful motivator, driving individuals to focus their efforts and achieve higher levels of performance. By setting challenging yet attainable goals, individuals are encouraged to strive for excellence and push their limits. This approach has been extensively studied and validated, making it a cornerstone in the field of motivational psychology.