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title: "RICE Scoring"
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type: concept
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tags: [prioritization, agile, product-management]
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last_updated: 2026-05-01
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---
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## Definition
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RICE Scoring 是一种四维定量功能优先级排序框架,通过将每个功能的影响力转换为可比较的数值分数,消除团队优先级争论。
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## Formula
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```
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RICE Score = (Reach × Impact × Confidence) / Effort
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```
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| 维度 | 定义 | 常见取值范围 |
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|------|------|-------------|
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| **Reach**(触达) | 该功能在第一个季度内能影响多少用户 | 1–10,000(用户数) |
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| **Impact**(影响) | 该功能对单个用户的影响力 | 3=massive, 2=high, 1=medium, 0.5=low, 0.25=minimal |
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| **Confidence**(信心) | 对上述估算的信心程度 | 100%=high, 80%=medium, 50%=low |
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| **Effort**(工作量) | 所需人月数(跨整个团队) | 0.5–20(人月) |
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## 应用场景
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- **[[Phase 1 Strategy]]**:Sprint Prioritizer 使用 RICE 评分对 Phase 1 产出的任务列表进行排序
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- **[[scenario-startup-mvp]]**:Week 1 快速发现阶段使用 RICE 评分 backlog
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- 适用于 Sprint Planning、Product Roadmap 排序、技术债务优先级决策
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## 示例
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| 功能 | Reach | Impact | Confidence | Effort | RICE Score |
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|------|-------|--------|-----------|-------|------------|
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| 用户注册优化 | 5000 | 2 | 100% | 2 | 5000 |
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| 支付流程简化 | 2000 | 3 | 80% | 4 | 1200 |
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| 暗模式支持 | 3000 | 1 | 50% | 3 | 500 |
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## 与 MoSCoW 的关系
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RICE 分数高 ≠ Must-Have。MoSCoW 分类(RICE分数 + 战略/合规考量)决定是否纳入当前 Sprint;RICE 仅排序在 MoSCoW Must/Should/Could 中的条目。
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## Aliases
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- RICE Model
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- RICE Framework
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- RICE Prioritization
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