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+---
+title: "RICE Prioritization Score"
+type: concept
+tags: [product-management, prioritization, metrics]
+sources: [product-manager.md]
+last_updated: 2026-04-20
+---
+
+## Definition
+RICE 是用于客观优先级排序的量化框架，通过四个维度计算分数：Reach（触达）、Impact（影响）、Confidence（信心）、Effort（努力）。
+
+## Formula
+**RICE Score = (R × I × C) ÷ E**
+
+| Factor | Scale | Description |
+|--------|-------|-------------|
+| Reach | 用户数/季度 | 多少人受影响 |
+| Impact | 0.25, 0.5, 1, 2, 3 | 对指标的影响倍数 |
+| Confidence | 百分比 | 估计的信心水平 |
+| Effort | 人力月数 | 需要多少时间 |
+
+## Example Calculation
+| Factor | Value | Notes |
+|--------|-------|-------|
+| Reach | 10,000 users/quarter | Source: analytics |
+| Impact | 0.5 | half of 1x |
+| Confidence | 80% | Based on: interviews |
+| Effort | 4 person-months | M t-shirt |
+| **RICE Score** | **100** | |
+
+## Use Case
+- 跨多个机会客观排序
+- 支撑 build/defer/kill 决策对话
+- 替代直觉式优先级排序
+
+## Limitation
+- 估算性质，结果应作为讨论起点而非绝对值
+- 不捕捉战略重要性或风险
+- 需要定期重新评估
+
+## Connection
+- [[RICE Prioritization Score]] ← calculated_in ← [[Opportunity Assessment]]
+- [[Roadmap (Now / Next / Later)]] ← ranks ← [[RICE Prioritization Score]]
+- [[Product Backlog]] ← prioritized_by ← [[RICE Prioritization Score]]