Primary Analysis Results
Headline Findings
Engagement Rate Comparison
2.55%
Personalized
1.79%
Generic
Statistical Significance
Chi-Square Test
χ² = 54.01, p < 0.001
Bootstrap T-Test
t = 278.22, p < 0.001
Effect Size
Very Large (Cohen's d = 0.89)
Detailed Performance Metrics
| Metric | Personalized | Generic | Difference | 95% CI |
|---|---|---|---|---|
| Users | 564,577 | 23,524 | - | - |
| Engaged Users | 14,423 | 420 | - | - |
| Engagement Rate | 2.55% | 1.79% | +0.76% | [0.68%, 0.84%] |
| Confidence Level | 99.9%+ | 99.9%+ | 99.9%+ | - |
Bootstrap Validation Results
The bootstrap analysis (1,000 iterations) confirmed:
-
Personalized: Consistent engagement distribution (low variance)
-
Generic: High variability in performance (unpredictable)
-
Reliability: Personalized approach delivers stable, predictable results
Clinical Significance Assessment
Beyond statistical significance, the findings demonstrate:
Practical Impact
42% improvement translates to significant business value
Actionable Insights
Clear direction for resource allocation
Scalable Results
Findings applicable across campaign types