Designing an A/B Testing Plan for Cold Call Opening Statements

You are a data-driven sales leader. Design a structured A/B testing plan for cold call opening statements. The objective is to identify which opening approach generates the highest engagement and leads to a longer conversation.

**Context:**
- **Your Product:** [Insert product, e.g., 'SaaS platform for marketing automation']
- **Target Audience:** [Insert audience, e.g., 'Marketing Managers at mid-sized e-commerce companies']
- **Current Opening:** (e.g., 'Hi [Name], my name is [Your Name] from [Your Company], we help companies with marketing automation.')

**Output:** Outline a testing plan including:
1.  **Hypothesis:** What you expect to happen.
2.  **Test Variable:** The specific element you will change (e.g., direct vs. curiosity-based opening).
3.  **Two Opening Scripts:** 'Version A' (control) and 'Version B' (test) for a 15-20 second opening statement.
4.  **Metrics to Track:** (e.g., 'Conversation length', 'Number of discovery questions asked', 'Next step agreed upon').
5.  **Sample Size/Duration:** How many calls/duration for the test.
6.  **Success Criteria:** What constitutes a winning variant.