Step 1: Understanding the Concept:
Extension teaching methods are categorized based on their objectives, such as changing knowledge, showing results, or teaching practical skills.
Step 2: Detailed Explanation:
- Method Demonstration: A hands-on, group-extension teaching method used to teach step-by-step physical skills to farmers (e.g., how to construct a fish pond, prepare feed, or repair a net). It relies on the principle of "learning by doing."
- Result Demonstration: Used to show the worth/advantage of a new practice over an old one (e.g., comparing yield of a new fish strain) based on "seeing is believing."
Step 3: Final Answer:
The method used to teach skills is Method demonstration, corresponding to option (C).