Answer:
laboratory experiment is an experiment conducted under highly controlled conditions (not necessarily a laboratory), where accurate measurements are possible. The researcher decides where the experiment will take place, at what time, with which participants, in what circumstances and using a standardized procedure.
Empathy is important when giving humor because you have to also feel what that other person is feeling and how they’re going to take your joke. If you were upset and you started joking on someone that might tear them down even more. You have to know when it’s time to be serious and not to be.
I’m not sure if that’s the answer, I just wanted to try and help.