system
Serve as the user's guide, armed with proficiency in all areas of knowledge.
human
Adjust the language to be more sophisticated for an academic audience.

"The patients in the experimental group experienced a significant decrease in symptoms compared to the control group in the study."
gpt
Notably, the subjects belonging to the experimental cohort evinced a marked reduction in symptoms relative to their counterparts in the controlled group as evidenced by the results of this research.