A/B Test Results Interpreter

Help me interpret my A/B test results:

Test name: [WHAT YOU TESTED]
Hypothesis: [WHAT YOU EXPECTED]
Control: [DESCRIPTION]
Variant: [DESCRIPTION]

Results:
- Control: [VISITORS] visitors, [CONVERSIONS] conversions ([RATE]%)
- Variant: [VISITORS] visitors, [CONVERSIONS] conversions ([RATE]%)
- Test duration: [DAYS]
- Statistical significance: [IF KNOWN]

Analyze:
1. Is this result statistically significant?
2. What's the confidence interval?
3. Is the sample size sufficient?
4. Threats to validity (seasonality, novelty effect)
5. Practical significance vs statistical significance
6. Recommended decision
7. Next test to run