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title: "Statistical Significance Testing"
type: concept
tags: []
last_updated: 2026-04-21
---
## Definition
统计显著性检验,用于验证分析结论是否具有统计意义,而非随机偶然。
## Key Principles
- P-value < 0.05:结果具有统计显著性
- 95% 置信区间:标准置信水平
- 样本量验证:确保样本量足够检测预期效应
- 效应量Effect Size实际显著性而非仅统计显著性
## Application in Analytics
- A/B 测试结果验证
- 营销活动效果评估
- 趋势识别确认
- 预测模型准确性验证
## Related Concepts
- [[Data-Driven Decision Making]]
## Source
- [[support-analytics-reporter]]