, 8 tweets, 5 min read Read on Twitter
Just finished reading the big UK mindset training study. It's extremely well designed:
✅Randomized control study
✅Sample size >4000
✅High treatment fidelity
✅High statistical power
✅Controlled for cluster sampling
And here are the results... Mindset training had ZERO impact on any of the dependent variables:
❌Reading achievement
❌Writing mechanics
❌Math achievement
❌Test anxiety
That 0 of 7 DV's that mindset changed.
You would think that if mindset training were useful, then it would improve SOMETHING. Nope. Mindset theory had 7 chances and struck out each time. #education #edutwitter #psychology
Unbelievably, the failure of the mindset treatment is not the most depressing part of the report.

No, the most depressing part is that some schools plan on continuing or even expanding the treatment EVEN THOUGH THEY KNOW IT DOESN'T WORK. 🤦‍♂️
#education #edutwitter #psychology
The perception that the children were not harmed is inaccurate. This was a treatment that took 2 1/2 hours of classroom time and additional time for teacher training. Spending that time on a worthless treatment instead of...oh, teaching math...is harm. #education #psychology
Still, the fact that these schools want to continue a worthless treatment should be a scandal in #education.

Name me another profession that would continue an ineffective treatment.
This study is NOT a fluke.

RCT (n>12000) with Dweck as a coauthor shows a growth mindset treatment increased GPA d=.03.

Meta-analysis shows that growth mindset raised achievement d=.08 (and that's with publication bias inflating the effect): journals.sagepub.com/doi/abs/10.117…
Dweck's RCT: psyarxiv.com/md2qa

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