Official GMAT AWA (Analytical Writing Assessment) sample responses with feedback can be found on the official GMAT website. These samples are provided by the Graduate Management Admission Council (GMAC), the organization that administers the GMAT exam. Here is a detailed explanation of where to find these samples and how they can be helpful for test takers:

1. Go to the official GMAT website:
- Open your web browser and search for the official GMAT website.
- Once you are on the website, navigate to the "Preparing for the GMAT" section.

2. Access the GMAT AWA sample responses:
- In the "Preparing for the GMAT" section, look for the subsection related to the GMAT AWA.
- Within this subsection, you will find a link to the official GMAT AWA sample responses.

3. Understand the structure of the sample responses:
- The sample responses consist of actual essays written by test takers during the GMAT exam.
- Each sample response is accompanied by an evaluation and feedback provided by an expert grader.
- The feedback highlights the strengths and weaknesses of the essay and provides suggestions for improvement.

Key Points:
1. Sample essays: The sample responses include essays from different test takers, showcasing a variety of writing styles and approaches.
2. Evaluation and feedback: The feedback provided by the expert grader helps test takers understand the criteria used to assess the essays and gives insights into areas that need improvement.
3. Strengths and weaknesses: The feedback identifies the strengths and weaknesses of the essays, helping test takers understand what makes a strong argument and how to avoid common pitfalls.
4. Improvement suggestions: The feedback also offers specific suggestions for improving the weak aspects of the essays, such as providing more evidence or improving the logical flow of the arguments.

These official GMAT AWA sample responses with feedback are valuable resources for test takers preparing for the AWA section. By studying these samples and the accompanying feedback, test takers can gain a better understanding of the expectations of the graders and learn effective strategies for writing strong and persuasive essays in the GMAT exam.