What does research suggest about performance improvement? Feedback is not necessary. Goals should be vague. Providing feedback is effective. Goals and feedback are independent.

Research suggests that both feedback and clear, specific goals are crucial for performance improvement.

1. Feedback: Feedback is necessary for performance improvement. It provides individuals with information about their current performance level and areas that need improvement. It helps individuals understand what they are doing well and what they need to work on. Feedback can be both positive (reinforcing good behavior) and constructive (highlighting areas for improvement).

2. Goals: Goals should not be vague. Clear and specific goals give individuals a sense of direction and purpose. They provide a benchmark against which individuals can measure their progress. Research has shown that specific, challenging goals lead to higher performance than easy or vague goals.

3. Relationship between Goals and Feedback: Goals and feedback are not independent. They work together to improve performance. Goals provide a direction and feedback provides a way to measure progress towards those goals. Feedback can also help to adjust goals as necessary.

Therefore, the statement "Feedback is not necessary. Goals should be vague" is not supported by research. Instead, research suggests that feedback is necessary and goals should be specific for effective performance improvement.