> All participants were then reassured that though 20 minutes might be a rather short time to write an essay, they were encouraged to do their best.

Given that the task has been under time pressure, I am not sure this study helps gauging the impact of LLMs in other contexts.

When my goal is to produce the result for a specific short term task - I maximize tool usage.

When my goal is to improve my personal skills - I use the LLM tooling differently optimizing for long(er) term learning.