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I...I have no words

Non-randomized, n=63,

Control: staring at desk

Active intervention: caring for plant

Outcome: tiny difference in proxy of mental health

Headlines:
Here is that massive, glorious difference that has people the world over buying pot plants:
It's just absurd

If your control is "doing nothing" and your active intervention is "doing something" IT'S NOT SURPRISING THAT YOU SEE A SLIGHT DIFFERENCE
There's also this delightful gem in the Daily Mail

Statistical significance =/= practical importance

A ONE POINT DIFFERENCE IN AN 80-POINT ANXIETY SCALE PROBABLY DOESN'T MEAN VERY MUCH
A big shout-out to whoever wrote the press release, because damn this is truly awful
Any researcher anywhere knows that this is almost certainly a meaningless study

It's probably just regression to the mean (i.e. people improving just by random variation)

And yet, the news is completely uncritical of this fact
As others are pointing out, there are lots more problems with this study

TL:DR desk plants probably don't do very much for your anxiety
P.s. for all those asking, this particular study was funded by Mitsubishi, who as far as I know don't make houseplants
Blog now out on this: medium.com/@gidmk/desk-pl…
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