Is Growth Mindset Actually Real, or Overhyped?

If you have spent any time in a school or a parenting feed, you have met growth mindset: the idea, from Carol Dweck's research, that believing your abilities can improve helps you do better, while believing they are fixed holds you back. It is everywhere, on classroom posters and in assembly talks.

It is also one of the clearest cautionary tales in modern psychology about an idea outrunning its evidence. This page lays out, honestly, what the research actually shows, so you can decide what to do with it. The short version is in the answer box above. Here is the full picture, both the parts that fell apart and the parts that held.

The claim, stated fairly

The strong version of the claim, the one that spread, goes roughly like this: if you teach children that intelligence is not fixed but can grow with effort, they will take on harder challenges, persist through difficulty, and ultimately achieve more. Schools adopted it widely on the strength of that promise.

It is an attractive idea, partly because it is hopeful and partly because it puts something in the child's control. Attractive ideas spread fast, sometimes faster than the data underneath them can bear.

What the big reviews found

When researchers pooled large numbers of studies, the strong claim did not hold up well.

• The correlation is tiny. Sisk and colleagues (2018) ran two meta-analyses. Looking across 129 studies and more than 360,000 students, a person's mindset explained only about 1% of the variation in their academic achievement. Almost everything that determines how a kid does is something other than their mindset.
• The interventions are weak on average. The same work found that programmes designed to instil a growth mindset had an average effect of about d = 0.08, which in plain terms is very small.
• The best-run studies find close to nothing. A later review by Macnamara and Burgoyne (2023) looked hard at study quality. Among the studies that followed best research practices most closely, the overall effect was not statistically significant. They also found that studies led by authors with a financial interest in the result tended to report larger effects, a warning sign in any field.

If you only read this far, the verdict would be: overhyped, and the slogan does little.

The studies that did find something

But it would be dishonest to stop there, because two things genuinely survived, and they are the useful two.

Process praise has a real, repeatable effect. The cleanest finding predates the hype. Mueller and Dweck (1998) gave children a hard task and praised them either for being clever or for working hard. Offered a follow-up choice, 92% of the effort-praised children chose a harder challenge, against 33% of the cleverness-praised ones. After failing, the cleverness-praised children quit sooner and did worse. This is not the same as the mindset slogan. It is a specific, well-supported claim about how you praise.

A small, conditional benefit for the kids who need it. The largest and most careful test, a national experiment by Yeager and colleagues (2019) in Nature, involving over 12,000 students, did not find a transformation. It found a modest improvement in the grades of lower-achieving students, and only in schools whose culture supported the message. A real effect, narrowly scoped, honestly reported.

And the debate continues: other researchers using different methods (such as Burnette and colleagues, 2023) report more encouraging results. The field is not closed.

The honest synthesis

So, real or overhyped? The fairest answer is: the broad poster-slogan is overhyped and does very little, while two narrower claims are real and useful. Believing "abilities can grow", on its own, is weak medicine. Praising your kid's strategy rather than their cleverness, and giving them genuine practice at recovering from setbacks, is strong medicine. Most of what gets sold as "growth mindset" is the weak version; most of what works is the narrow version that rarely makes it onto the poster.

What to do instead of chanting the slogan

If the slogan barely works but the specifics do, then the practical advice writes itself:

1. Praise the process, not the person. "You kept trying different approaches" beats "you're so clever". This is the single best-supported move you have.
2. Let them experience improvement, do not just assert it. A kid who gets visibly better at a hard thing through practice learns that abilities grow far more convincingly than from being told a fact about the brain.
3. Make recovering from failure a routine, not a lecture. The skill is built by doing it: build, break, adjust, rebuild. That loop does more than any mindset assembly.
4. Drop the magic-words thinking. There is no sentence you can say that rewires your kid. There are habits, repeated over years, that shape how they meet hard things.

Key takeaways

• The broad growth-mindset slogan is overhyped: tiny correlation (about 1% of variance) and a near-zero effect in the best-run studies.
• Two things genuinely survived: process praise (Mueller and Dweck, 1998) and a small, context-dependent benefit for at-risk students (Yeager, 2019).
• The science is contested but not a free-for-all: the strong claim is weak, the narrow claims have support.
• Practical version: praise strategy over cleverness, let kids feel real improvement, and make recovering from failure a habit.

This is the evidence base behind Why Letting Your Kid Fail Is the Best Thing You Can Do. For the in-the-moment version, when your kid shuts down the instant something is hard, see When Your Kid Quits the Second It Gets Hard.