The chart below shows the number of households in the U.S. by their annual income in 2007, 2011 and 2015. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

Part 1 (Academic)
6.0

Sample Essay with Corrections

The chart is showingllustrates how many households in the United States of America are earn different incomes everyach year for 2007, 2011, and 2015. The household income levels isare divided into five groups, ranging from less than $15,000 per year to more than $100,000 per year income. In general, we can see that the number of households in all income levels are increased from 2007 to 2015. The most notable change is for households earning more than $100,000 per year, which was increased significantly from around 22 millions in 2007 to over 30 millions households in 2015. At the same time, the households earning less than $15,000 per year are also increased, but at a slower rate, from around 14 millions to approximately 16 millions in 2015. The number of households in the middle-income levels, between $35,000 toand $100,000 are, is also growing, but not as fast as the high-income group. In conclusion, the chart indicates that the income levels of households in the United States are improving from 2007 to 2015, with a significant increase in high-income households earning more than $100,000 per year. However, there are still many low-income households earning less than $15,000 per year, and their number arehas also slightly increased during this period.
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Expert Feedback

The essay demonstrates a clear understanding of the task, effectively summarising the main features of the chart and making relevant comparisons. Key strengths include a logical structure with a clear introduction, body, and conclusion. However, critical areas for improvement include grammatical accuracy, particularly in subject-verb agreement and article usage, as well as enhancing the variety of vocabulary used. Structural changes made include correcting grammatical errors, improving clarity, and ensuring proper use of cohesive devices. Suggestions for further improvements not implemented in the corrected version include varying sentence structures to demonstrate a wider grammatical range and incorporating more sophisticated vocabulary. The tone used is appropriate for an academic context, maintaining a formal and objective style throughout.

Detailed Scores

Coherence And Cohesion
The essay presents a logical structure with a clear introduction, body, and conclusion. However, the use of cohesive devices could be improved. For instance, phrases like 'At same time' should be 'At the same time' for better clarity. The progression of ideas is generally clear, but some sentences could be better linked to enhance flow.
6.5
Grammatical Range And Accuracy
The writing demonstrates a basic range of grammatical structures, but there are several grammatical errors, such as subject-verb agreement ('household in United States of America are earn') and incorrect article usage ('the households earn less than $15,000 per year'). These errors affect the overall clarity and accuracy of the writing. More complex sentence structures could be employed to improve the score.
5.5
Lexical Resource
The vocabulary used is generally appropriate, but there are instances of repetition and awkward phrasing, such as 'household income levels is divided to five groups'. More varied vocabulary could enhance the writing, and the use of terms like 'indicate' and 'notable change' shows some sophistication. However, there are also errors in word forms and collocations.
6.0
Task Achievement
The response addresses the task by summarizing the main features of the chart and making relevant comparisons. However, it lacks some clarity and precision in language, such as 'household in United States of America are earn different income' which should be 'households in the United States earn different incomes'. Additionally, the conclusion could be more concise and focused on the key trends.
6.0

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