Update evaluator.py

Update the band descriptors!

evaluator.py

@@ -277,7 +277,103 @@ class IELTSTask1Evaluator:
         
     def evaluate_task1_response(self, question, graph_analysis, written_response):
         score_prompt = """Provide the scores for the following IELTS Task 1 essay based on the graph analysis provided and the written response. Score in terms of Task Achievement, Coherence and Cohesion, Lexical Resource, and Grammatical Range & Accuracy criteria. The scores should be in IELTS framework. Each criterion should be scored between 1 to 9 and should be integer. E.g. 5.5 is not acceptable! For each criteria that you score, provide 3 different comments using the band descriptors and by referencing both the key features of the graph and how well they were described in the response.
-
+        IELTS Task 1 Band Descriptors:
+
+Band 9:
+• Fully satisfies all requirements of the task
+• Clearly presents a fully developed response
+• Uses cohesion in such a way that it attracts no attention
+• Skilfully manages paragraphing
+• Uses a wide range of vocabulary with very natural and sophisticated control of lexical features; rare minor errors occur only as 'slips'
+• Uses a wide range of structures with full flexibility and accuracy; rare minor errors occur only as 'slips'
+
+Band 8:
+• Covers all requirements of the task sufficiently
+• Presents, highlights and illustrates key features/bullet points clearly and appropriately
+• Sequences information and ideas logically
+• Manages all aspects of cohesion well
+• Uses paragraphing sufficiently and appropriately
+• Uses a wide range of vocabulary fluently and flexibly to convey precise meanings
+• Skilfully uses uncommon lexical items but there may be occasional inaccuracies in word choice and collocation
+• Produces rare errors in spelling and/or word formation
+• Uses a wide range of structures
+• The majority of sentences are error-free
+• Makes only very occasional errors or inappropriacies
+
+Band 7:
+• Covers the requirements of the task
+• Presents a clear overview of main trends, differences or stages
+• Clearly presents and highlights key features/bullet points but could be more fully extended
+• Logically organises information and ideas; there is clear progression throughout
+• Uses a range of cohesive devices appropriately although there may be some under-/over-use
+• Uses a sufficient range of vocabulary to allow some flexibility and precision
+• Uses less common lexical items with some awareness of style and collocation
+• May produce occasional errors in word choice, spelling and/or word formation
+• Uses a variety of complex structures
+• Produces frequent error-free sentences
+• Has good control of grammar and punctuation but may make a few errors
+        
+        Band 6:
+• Addresses the requirements of the task
+• Presents an overview with information appropriately selected
+• Presents and adequately highlights key features/bullet points but details may be irrelevant, inappropriate or inaccurate
+• Arranges information and ideas coherently and there is a clear overall progression
+• Uses cohesive devices effectively, but cohesion within and/or between sentences may be faulty or mechanical
+• May not always use referencing clearly or appropriately
+• Uses an adequate range of vocabulary for the task
+• Attempts to use less common vocabulary but with some inaccuracy
+• Makes some errors in spelling and/or word formation, but they do not impede communication
+• Uses a mix of simple and complex sentence forms
+• Makes some errors in grammar and punctuation but they rarely reduce communication
+
+Band 5:
+• Generally addresses the task; the format may be inappropriate in places
+• Recounts detail mechanically with no clear overview; there may be no data to support the description
+• Presents, but inadequately covers, key features/bullet points; there may be a tendency to focus on details
+• Presents information with some organisation but there may be a lack of overall progression
+• Makes inadequate, inaccurate or over-use of cohesive devices
+• May be repetitive because of lack of referencing and substitution
+• Uses a limited range of vocabulary, but this is minimally adequate for the task
+• May make noticeable errors in spelling and/or word formation that may cause some difficulty for the reader
+• Uses only a limited range of structures
+• Attempts complex sentences but these tend to be less accurate than simple sentences
+• May make frequent grammatical errors and punctuation may be faulty; errors can cause some difficulty for the reader
+
+Band 4:
+• Attempts to address the task but does not cover all key features/bullet points; the format may be inappropriate
+• May confuse key features/bullet points with detail; parts may be unclear, irrelevant, repetitive or inaccurate
+• Presents information and ideas but these are not arranged coherently and there is no clear progression
+• Uses some basic cohesive devices but these may be inaccurate or repetitive
+• Uses only basic vocabulary which may be used repetitively or which may be inappropriate for the task
+• Has limited control of word formation and/or spelling; errors may cause strain for the reader
+• Uses only a very limited range of structures with only rare use of subordinate clauses
+• Some structures are accurate but errors predominate, and punctuation is often faulty
+
+Band 3:
+• Fails to address the task, which may have been completely misunderstood
+• Presents limited ideas which may be largely irrelevant/repetitive
+• Does not organise ideas logically
+• May use a very limited range of cohesive devices, and those used may not indicate a logical relationship between ideas
+• Uses only a very limited range of words and expressions with very limited control of word formation and/or spelling
+• Errors may severely distort the message
+• Attempts sentence forms but errors in grammar and punctuation predominate and distort the meaning
+
+Band 2:
+• Answer is barely related to the task
+• Has very little control of organisational features
+• Uses an extremely limited range of vocabulary; essentially no control of word formation and/or spelling
+• Cannot use sentence forms except in memorised phrases
+
+Band 1:
+• Answer is completely unrelated to the task
+• Fails to communicate any message
+• Can only use a few isolated words
+• Cannot use sentence forms at all
+
+Band 0:
+• Does not attend
+• Does not attempt the task in any way
+• Writes a totally memorised response
         Question: {}
         Graph Analysis: {}
         Written Response: {}