Final answer:
To improve a technique, experimenting with variations (Option B) is the most effective strategy. It allows for discovery of more efficient methods and embraces a growth mindset.
Step-by-step explanation:
The question refers to techniques for improvement and optimization in solving problems or executing tasks. The best option for making a technique better or faster is to experiment with variations (B). By experimenting, you can discover new ways to enhance efficiency and effectiveness. It's important to allow for trial and error in the process and to learn from both successes and mistakes. In doing so, you are embracing a growth mindset, where you view each attempt as an opportunity to learn and develop a more refined approach.