Both "I am" and "Yes, I am" are correct responses, and their meaning is essentially the same. However, there is a slight difference in tone and emphasis:
1. "I am": This is shorter and more to the point. It works well in casual or informal conversations, especially when you're trying to keep the reply concise.
2. "Yes, I am": Adding "Yes" makes the response slightly more formal or emphatic. It's also a little warmer and polite, so it might be more suitable in professional or polite contexts.
Tip:
If you want to sound a bit more conversational, you could extend your response with a follow-up, like:
- "Yes, I am! Could you tell me more?"
- "I am! Thanks for asking."
This keeps the dialogue flowing and shows enthusiasm.