PDSA 循环的中文解释如下：
PDSA 循环
- 中文名称： 计划-实施-研究-行动循环 (或 计划-执行-研究-改进循环)
- 组成步骤 (四个反复进行的阶段)：
- 计划 (Plan): 确定目标，分析现状，找出问题或改进机会，制定具体行动计划（包括预期结果和衡量方法）。
- 实施 (Do): 执行计划，小范围试点或实施解决方案，收集数据和信息。
- 研究 (Study): 分析在“实施”阶段收集的数据，比较实际结果与“计划”阶段的预期结果。评估哪些部分有效，哪些无效，找出差距和原因。
- 行动 (Act):
- 如果成功：总结经验，标准化改进措施，并在更广范围内推广实施。
- 如果未完全成功或发现新问题：基于“研究”阶段的分析结果，调整或重新制定计划，进入下一个PDSA循环，进行进一步改进。
核心要点：
- 持续改进工具： PDSA 是一个用于持续改进流程、产品、服务或系统的结构化、迭代的科学方法。
- 科学方法的应用： 它基于“提出假设（计划）- 实验测试（实施）- 评估结果（研究）- 得出结论并应用知识（行动）”的科学方法。
- 循环往复： PDSA是一个循环，不是一次性活动。“行动”步骤后的新知识会反馈到下一个“计划”步骤，开始新的改进周期。
- 小步快跑： 通常鼓励从小规模试点开始（在“实施”阶段），以较低风险和成本快速学习，然后再决定是否推广。
- 戴明环/休哈特环： 由沃尔特·休哈特提出，经爱德华兹·戴明博士广泛推广和应用（尤其在质量管理领域），因此也常被称为戴明环 (Deming Cycle) 或休哈特环。它与PDCA循环概念高度一致（通常PDCA中的C代表检查/Check，在PDSA中用S代表研究/Study，两者本质和步骤基本相同）。
主要应用领域：
- 质量管理
- 项目管理
- 业务流程改进
- 医疗保健质量与安全改进
- 产品开发
- 任何需要持续学习和优化的场景
简单来说： PDSA循环就是一个不断计划改进、小范围尝试、检查效果、然后决定下一步（推广或调整计划） 的循环过程，目的是实现持续、渐进的提升。
希望这个中文解释能帮助你理解PDSA循环的含义和精髓！
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