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Grit is conscientiousness renamed and adds 0.4% to grade prediction; self-control genuinely predicts life outcomes but is 60% heritable with zero shared environment, and training moves ratings, not lives.
mixedconf: highgc: medium20/2036/48connected:Should a school buy a social and eDoes teaching a growth mindset raiHow should a school run its classr
Are self-control and grit teachable levers on achievement? · character · ages 4–18
Growth-mindset interventions change beliefs almost everywhere and change achievement almost nowhere: the two independent national-scale trials measured standardized tests and found exactly zero.
mixedconf: highgc: low18/1831/48connected:FadeoutSystematic/explicit phonics vs whoTalent and trainabilityAre self-control and grit teachabl
Does teaching a growth mindset raise achievement? · character · ages 4–18
Should a school buy a social and emotional learning programme? · character · ages 4–18
Yes, on their own terms: lottery-assigned museum and theatre trips move blind-rated analysis of art, plot knowledge and tolerance by 0.08-0.18 SD weeks later, and a film of the same play moves nothing.
moderate supportconf: mediumgc: lowAre museum and theatre trips worth the day out of school? · arts · ages 8–18
Guided inquiry is positive in 16 of 16 PISA regions and unguided inquiry negative in 18 of 20 — but the programmes built on that finding go to zero at scale: +0.22, then +0.01, then +0.02 on the same test.
mixedconf: mediumgc: low19/1927/48connected:Science content sequencingExplicit instruction vs discovery/Laboratory and practical work in sTeaching students to think scienti
Inquiry-based science teaching vs explicit and textbook science teaching · science · ages 8–18
One systematic review kept 39 studies from 11,771 records; another found 1 RCT among 53. What evidence exists favours interest (+0.12) over attainment (+0.01), and simulations match real apparatus.
mixedconf: mediumgc: lowLaboratory and practical work in school science · science · ages 5–18
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