A more natural and efficient way to run (last one)
Answer: No, his experiment is not designed correctly.
Explanation: He didn't use the same measurements in each experiment. He should've either buried them all in the yard, or she should've kept them all in pots. Not having them in the same environment could affect the results of his experiment, thus making it inaccurate.
I believe it’s the setting, purpose, and methods.
No because they generally get boring when it is the same actor or actress, I would rather watch many people perform together. Just my opinion