[
    {
        "test_id": "1",
        "exam_id": "dm_grading",
        "exam_name": "DM grading",
        "part_id": "5",
        "part_description": "",
        "baimau": "Online learning has become increasingly popular in recent years, especially with the rapid development of technology. Although studying online offers several significant benefits, it also has some disadvantages that should be taken into consideration.\nOne of the main advantages of online learning is its flexibility. Students can attend classes from almost anywhere and study at a time that is convenient for them. This is particularly beneficial for students who live far from schools or have other responsibilities. Furthermore, online courses give learners access to a wide variety of educational resources, including recorded lectures, e-books, and online exercises. As a result, students can review lessons whenever they need and learn at their own pace.\nHowever, online learning also has some drawbacks. The first disadvantage is the lack of direct interaction. Students may find it difficult to communicate with teachers and classmates, which can make them feel isolated and less motivated. Another problem is that studying at home can lead to distractions, such as social media, television, or household activities. In addition, technical problems, such as a poor Internet connection or a lack of suitable devices, can interrupt lessons and negatively affect students’ learning.\nIn conclusion, online learning provides greater flexibility and access to educational materials, but it can also cause problems related to communication, concentration, and technology. In my opinion, combining online learning with traditional classroom education would be the most effective approach.",
        "bai_lam_writing": "34 23 42 34 2 42 4 24  234 3 4 24 23 423 4 234 324 2 42 42 4 24 2 342",
        "de_bai_luc_thi": "Online classes have become increasingly common in education systems around the world.\nDiscuss the advantages and disadvantages of online learning.\nGive reasons for your answer and include any relevant examples from your own knowledge or experience.\nWrite at least 150 words.",
        "prompt": "Act as a qualified English writing examiner conducting a Placement Test for EFL students. Score the given essay-type response and provide detailed feedback based on four criteria, to determine appropriate course placement.\n\nCONSISTENCY REQUIREMENT: Score consistently — repeated submissions of the same answer must not vary by more than 0.5 band per criterion. Base judgment strictly on the rubric below, not general impression.\n\n⚠ PURPOSE:\nThis is a Placement Test rather than an official IELTS exam.\nMost genuine beginner/intermediate responses are expected to fall around Bands 2.0–5.0.\nIf a response genuinely meets the descriptors for Bands 6–9, award those bands normally.\n\nSTEP 1 — WORD COUNT (internal, affects Task Response ONLY — matches official IELTS convention where under-length penalizes Task Response/Task Achievement only, not the other 3 criteria)\nCount words carefully: if punctuation joins two words with no space (e.g. \"agree.because\" = 2 words, \"do.We\" = 2 words), count them separately — don't undercount due to punctuation errors.\n\nFewer than 10 words → STOP. Output only:\n1. Task Response score: 0\nBài làm quá ngắn, không đủ nội dung để đánh giá.\n\n11–49 words → TR max 1 | 50–79 → TR max 2 | 80–99 → TR max 3 | 100–139 → TR max 4 | 140–179 → TR max 5 | 180+ → TR no restriction\nDo NOT mention this cap in feedback — only comment on writing quality.\nVERY SHORT RESPONSE EVIDENCE CAP (internal)\n\nThe word-count rule above limits only Task Response, following IELTS convention.\n\nHowever, because a very short response cannot provide sufficient evidence of higher-level writing ability, apply the following evidence caps to the OTHER three criteria as well.\n\n11–49 words:\n- Coherence & Cohesion max 1\n- Lexical Resource max 2\n- Grammatical Range & Accuracy max 2\n\n50–79 words:\n- Coherence & Cohesion max 2\n- Lexical Resource max 3\n- Grammatical Range & Accuracy max 3\n\n80–99 words:\n- Coherence & Cohesion max 3\n- Lexical Resource max 4\n- Grammatical Range & Accuracy max 4\n\n100–139 words:\n- Coherence & Cohesion max 4\n- Lexical Resource max 5\n- Grammatical Range & Accuracy max 5\n\n140–179 words:\n- Coherence & Cohesion max 5\n- Lexical Resource max 6\n- Grammatical Range & Accuracy max 6\n180+ words:\nNo restriction.\n\nDo NOT mention these caps in the feedback.\nSTEP 2 — VALIDITY CHECK (internal)\nGibberish/no recognizable English → STOP: \"1. Task Response score: 0 / Bài làm không hợp lệ. Nội dung không có ý nghĩa và không thể đánh giá.\"\nEntirely/predominantly Vietnamese → STOP: \"1. Task Response score: 0 / Bài làm không hợp lệ. Học viên cần viết bằng tiếng Anh.\"\n⚠ Poor grammar, spelling, punctuation, or run-on sentences are QUALITY issues (score low via rubric) — NOT grounds for either stop condition above. Only stop for true gibberish or genuinely Vietnamese text.\n\nSTEP 3 — OFF-TOPIC CHECK (internal, do this BEFORE any scoring — it gates whether STEP 5 happens at all)\nAsk: does the essay engage with the specific subject named in the prompt (not just \"an opinion\" or \"an experience\" in general, but THIS topic)? A response that swaps in a completely different subject — even if fluently written, well-organized, and personal — is fully off-topic, not \"underdeveloped.\"\n\nFully unrelated to the prompt (the essay's subject matter has no real connection to the topic asked about — e.g. the prompt asks about AI and creativity, and the essay is about a hobby/skill/experience with no mention or discussion of AI at all) → STOP IMMEDIATELY. Do NOT score CC, LR, or GRA. Do NOT compute an Overall Score. Output ONLY these two lines and nothing else:\n1. Task Response score: 0\nBài làm không đúng với yêu cầu đề bài. Nội dung không liên quan đến chủ đề được hỏi.\n\nPartially on-topic (the essay does address the named topic/subject but misses part of the question, e.g. only discusses one side of a \"discuss both views\" prompt, or discusses the right topic without giving an opinion when asked) → Task Response capped at 3, other 3 criteria scored normally, full 4-criteria output proceeds; state in the TR feedback: \"Bài làm chưa bám sát yêu cầu đề bài. Một số nội dung chưa trả lời đúng trọng tâm câu hỏi.\"\n⚠ A brief but genuinely relevant response (addresses the actual topic, even minimally) is ON-topic, not off-topic — don't confuse \"underdeveloped\" with \"off-topic\". But a fluent, detailed response about the WRONG subject is still fully off-topic — length, coherence, or grammar quality never rescues an off-topic essay into \"partially on-topic.\"\n\nSTEP 4 — SPELLING CHECK (internal)\n2+ spelling errors, OR any single error that obscures meaning → Lexical Resource and Grammatical Range & Accuracy capped at 4.\n\nSTEP 5 — SCORING RULES\n⚠ Each of the 4 criterion scores MUST be a WHOLE NUMBER (0-9) — no half-bands (1.5, 2.5, etc.) for individual criteria. Only the Overall Score (their average) may end in .5.\nWhen in doubt between two bands → assign the LOWER one.\n\nEVIDENCE-BASED CAPS (apply only with concrete evidence in the text — cap 4 for the criterion):\n- Task Response: ideas repeated/generic, no example or explanation given.\n- Coherence & Cohesion: only basic connectors (Firstly/Then/Next/Finally/and/so/because), no other cohesive device (no pronoun reference, topic sentence, substitution).\n- Lexical Resource: noticeable repetition of GENERAL vocabulary (not topic keywords — repeating the essay's own topic word like \"skills\" in a life-skills essay is normal, not a flaw) or repeated wrong collocation.\n- Grammatical Range & Accuracy: only simple sentences, no attempt at complex structures; OR 4+ grammar errors affecting accuracy.\nThese stack with the word-count/spelling caps above — always apply whichever cap is LOWEST for that criterion.\n\n⚠ ORDER: score the 4 criteria first, writing each out in order (TR → CC → LR → GRA). Only after all 4 are written, compute Overall Score from those exact 4 numbers internally and write ONLY the final rounded result as the FINAL line.\nOverall Score = average of the 4 criteria, rounded to nearest 0.5 (round the midpoint .25 down, .75 up). It must be one of: 0, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0 — any other value means a calculation error, redo it.\n⚠ DISPLAY RULE: Perform the raw average and rounding internally. Never show the raw/unrounded average or the rounding step (e.g. never write \"2.25 → 2.0\"). The Overall Score line must show ONLY the single final rounded value (e.g. \"Overall Score (IELTS Band): 2.0\").\n\nMARKING RUBRICS (standard 1-9 descriptors):\n\nTask Response — Đánh giá việc bài viết có trả lời đúng yêu cầu đề bài và lập luận có rõ ràng không.\n9 Trả lời đầy đủ, lập luận chặt chẽ, cấu trúc chuẩn | 8 Trả lời đầy đủ, rõ ràng, ý tưởng hợp lý | 7 Trả lời đúng đề nhưng chưa khai thác hết | 6 Trả lời đúng đề nhưng thiếu rõ ràng | 5 Trả lời chưa đầy đủ, lập luận yếu | 4 Chỉ trả lời một phần, tổ chức ý chưa tốt | 3 Ý tưởng rời rạc, còn hạn chế | 2 Trả lời sơ sài, thiếu mạch lạc | 1 Không trả lời đúng yêu cầu\n\nCoherence & Cohesion — Đánh giá kỹ năng tổ chức bài viết và liên kết giữa các ý.\n9 Dễ theo dõi, sử dụng từ nối hiệu quả | 8 Liên kết hợp lý, từ nối tốt | 7 Liên kết tốt nhưng đôi lúc thiếu mạch lạc | 6 Tổ chức chưa chặt chẽ, từ nối chưa tự nhiên | 5 Bài viết chưa mạch lạc cao | 4 Ít từ nối, khó theo dõi | 3 Rất ít từ nối, thiếu liên kết | 2 Không có liên kết, khó hiểu | 1 Rời rạc, không thể theo dõi\n\nLexical Resource — Đánh giá khả năng sử dụng từ vựng.\n9 Từ vựng phong phú, chính xác | 8 Từ vựng đa dạng, ít lỗi | 7 Đủ rộng, một số lỗi nhỏ | 6 Hợp lý nhưng có thể bị lặp | 5 Hạn chế, có lỗi gây ảnh hưởng | 4 Rất hạn chế, ảnh hưởng đến diễn đạt | 3 Quá ít, khó thể hiện ý | 2 Rất ít, gây khó hiểu | 1 Không đủ từ vựng, không thể hiểu\n\nGrammatical Range & Accuracy — Đánh giá sự đa dạng và chính xác ngữ pháp.\n9 Ngữ pháp đa dạng, hầu như không lỗi | 8 Ngữ pháp chắc chắn, ít lỗi | 7 Ổn định, lỗi nhỏ không ảnh hưởng lớn | 6 Có lỗi nhưng không ảnh hưởng ý nghĩa | 5 Lỗi nhiều gây nhầm lẫn, ít câu phức | 4 Lỗi nghiêm trọng, khó hiểu | 3 Lỗi nhiều, không có câu phức | 2 Không kiểm soát ngữ pháp | 1 Không thể diễn đạt ý qua ngữ pháp\n\n⚠ All feedback MUST be in Vietnamese. Never use \"em/bạn/học viên/người viết\" — always \"Bài viết\". Each criterion score appears once, right after its heading, never restated inside the feedback text.\n⚠ \"Examples:\" line must quote/reference a specific real detail from the response (never generic); for Lexical/Grammar, show error → correction (max 2 instances).\n⚠ LENGTH: Feedback 40-60 words, Examples 15-25 words, Suggestion max 15 words — this is a quick placement scan, not a full review.\n\nOUTPUT FORMAT (Overall Score is the LAST line, computed from the 4 numbers above it, shown as ONE final rounded value only — no intermediate steps):\n1. Task Response score: [số nguyên 0-9]\nFeedback on Task Response: [40-60 từ, dùng \"Bài viết\"]\nExamples: [15-25 từ]\nSuggestion for improvement: [tối đa 15 từ]\n2. Coherence & Cohesion score: [số nguyên 0-9]\nFeedback on Coherence & Cohesion: [40-60 từ, dùng \"Bài viết\"]\nExamples: [15-25 từ]\nSuggestion for improvement: [tối đa 15 từ]\n3. Lexical Resource score: [số nguyên 0-9]\nFeedback on Lexical Resource: [40-60 từ, dùng \"Bài viết\"]\nExamples: [lỗi -> sửa, tối đa 2 lỗi, 15-25 từ]\nSuggestion for improvement: [tối đa 15 từ]\n4. Grammatical Range & Accuracy score: [số nguyên 0-9]\nFeedback on Grammatical Range & Accuracy: [40-60 từ, dùng \"Bài viết\"]\nExamples: [lỗi -> sửa, tối đa 2 lỗi, 15-25 từ]\nSuggestion for improvement: [tối đa 15 từ]\nOverall Score (IELTS Band): [chỉ ghi MỘT số cuối cùng đã làm tròn 0.5, ví dụ: 2.0 — không ghi phép tính hay số thô]\n\n⚠ No blank lines between items within a section. Overall Score line must be last, must be one of the valid 0.5-increment values, must be a genuine average of the 4 scores above it, and must show ONLY the final rounded number (never the raw average or the \"raw → rounded\" transition).\n\nĐề bài: Online classes have become increasingly common in education systems around the world.\nDiscuss the advantages and disadvantages of online learning.\nGive reasons for your answer and include any relevant examples from your own knowledge or experience.\nWrite at least 150 words.\n\nBài làm của học viên: 34 23 42 34 2 42 4 24  234 3 4 24 23 423 4 234 324 2 42 42 4 24 2 342"
    }
]