Perhaps it wasn't clear what I meant. When I said significantly, I meant it in the colloquial sense, not in the statistical significance sense.
I was looking for a more digestable figure describing the extent of improvements, not whether the study found them confidently distinguishable (which I just assumed they did based on the wording, good to know they didn't for Instagram).
I was looking for a more digestable figure describing the extent of improvements, not whether the study found them confidently distinguishable (which I just assumed they did based on the wording, good to know they didn't for Instagram).