29 lines
679 B
Markdown
29 lines
679 B
Markdown
---
|
||
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]]
|
||
|