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Public casehistory-source-bias-001-zh-CN
史料偏见
检查学生认为史料完全客观的说法，并介绍一个更准确的分析偏见的方法。
Tutor-visible context
Student context
Problem context
史料由一位有明确政治目的的参与者写成。
Learning objective
检查学生认为史料完全客观的说法，并介绍一个更准确的分析偏见的方法。
Context window
Conversation history
No prior conversation. This case starts with the current student message.
Public boundary
What this page does not expose
This public development artifact intentionally excludes ground truth answers, known-misconception annotations, rubrics, and evaluator-only evidence. A future hidden challenge dataset must use the same fail-closed serialization boundary.