Evidence for Own Mistakes #

Every substantive claim on the Own Mistakes page is checked against current research. Here is each claim, how well today’s evidence supports it, and the sources. The full, de-duplicated source list lives on the references page.

Supported · strong evidence — Many anecdotes, proverbs and sayings reflect the view that learning and success come from making mistakes.

The claim is a cultural/folklore observation that proverbs and sayings frame mistakes as a route to learning and success, and that is abundantly documented. Its underlying premise is also backed by 2026 cognitive science on error-based learning, with the nuance that errors help most when corrected through feedback, reflection and supportive conditions.

Sources: Wong, S. S. H. & Lim, S. W. H. (2024). Deliberate errors promote meaningful learning. Journal of Educational Psychology — https://www.sciencedirect.com/science/article/abs/pii/S0361476X2500044X · Narciss, S. et al. (2025). Learning from errors and failure in educational contexts: New insights and future directions. British Journal of Educational Psychology — https://pmc.ncbi.nlm.nih.gov/articles/PMC11803059/ · Metcalfe, J. (2017). Learning from Errors. Annual Review of Psychology — https://www.annualreviews.org/content/journals/10.1146/annurev-psych-010416-044022 · Goodreads — Learning From Mistakes Quotes (curated proverbs/sayings collection) — https://www.goodreads.com/quotes/tag/learning-from-mistakes · full reference ›

Supported · strong evidence — I believe that your rate of learning and success depends just as much on making mistakes as it does on positive learning experiences.

Cognitive science strongly endorses the claim’s spirit: errorful generation followed by corrective feedback yields better retention/transfer than error-free study (Metcalfe’s hypercorrection work; Annual Reviews 2017), and “productive failure” (problem-solving before instruction) beats instruction-first in a 53-study meta-analysis (g~0.36-0.58, Sinha & Kapur 2021). The one refinement the 2003 framing already anticipates (“a chance to fix them”) is the now-established condition: mistakes help only when paired with corrective feedback and a psychologically safe environment, not in isolation.

Sources: Metcalfe, J. (2017). Learning from Errors. Annual Review of Psychology, 68, 465-489. https://www.annualreviews.org/content/journals/10.1146/annurev-psych-010416-044022 · Sinha, T., & Kapur, M. (2021). When Problem Solving Followed by Instruction Works: Evidence for Productive Failure. Review of Educational Research, 91(5). https://journals.sagepub.com/doi/10.3102/00346543211019105 · Wong, S. S. H., & Lim, S. W. H. (2022). Unraveling the benefits of experiencing errors during learning: Definition, modulating factors, and explanatory theories. Psychonomic Bulletin & Review. https://link.springer.com/article/10.3758/s13423-021-02022-8 · Center for Innovative Teaching and Learning, NIU (2025). From error to insight: The role of mistakes in learning. https://citl.news.niu.edu/2025/04/17/from-error-to-insight-the-role-of-mistakes-in-learning/ · full reference ›

Supported · moderate evidence — Your attitude towards making mistakes, how you react when you make one, and how effectively you learn from them are the three key factors influencing the impact mistakes have on learning and success.

2026 educational-psychology and neuroscience research validates all three named factors: attitude toward mistakes (growth mindset/error climate), one’s affective-motivational reaction to errors (shown to mediate mindset-to-learning links), and reflective learning from errors (errorful learning + feedback improves retention and transfer). The 2003 claim’s decomposition maps cleanly onto current consensus, though it states a general principle rather than a precisely quantified model.

Sources: Narciss et al. (2025), “Learning from errors and failure in educational contexts: New insights and future directions,” British Journal of Educational Psychology / PMC11803059 — https://pmc.ncbi.nlm.nih.gov/articles/PMC11803059/ · “Effects on and consequences of responses to errors: Results from two experimental studies” (2025), PMC11802961 — https://pmc.ncbi.nlm.nih.gov/articles/PMC11802961/ · “Undergraduates’ reactions to errors mediates the association between growth mindset and study strategies” (2023/2024 bioRxiv) — https://www.biorxiv.org/content/10.1101/2023.09.25.559345 · “Brain Activity Reveals How We Learn From Mistakes,” Neuroscience News (2024) — https://neurosciencenews.com/brain-mistake-learning-28497/ · full reference ›

Supported · strong evidence — No matter how good you are, you must make mistakes while you learn; accept this, because failure cannot be avoided even by the best.

Both parts of the claim hold: errors are inevitable during learning, and even experts/the best fail.

Sources: Steuer, Tulis, et al. (2025). Learning from errors and failure in educational contexts: New insights and future directions. British Journal of Educational Psychology. https://pmc.ncbi.nlm.nih.gov/articles/PMC11803059/ · Wong & Lim (2021). Unraveling the benefits of experiencing errors during learning. Psychonomic Bulletin & Review. https://link.springer.com/article/10.3758/s13423-021-02022-8 · Metcalfe (2017). Learning from Errors. Annual Review of Psychology. https://www.annualreviews.org/content/journals/10.1146/annurev-psych-010416-044022 · Herbert Smith Freehills Kramer (2018, accessed 2026). The Uncomfortable Path to Success: Learning from Failure. https://www.hsfkramer.com/alumni/2018-11/the-uncomfortable-path-to-success-learning-from-failure · full reference ›

Supported · strong evidence — When you make a mistake, accept it and move on rather than dwelling on the reasons, on being a bad learner, or on whose fault it is.

2024-2025 educational-psychology and self-compassion research consistently distinguishes adaptive error responses (acceptance, self-compassion, positive reappraisal, moving on) from maladaptive ones (rumination, self-blame/“bad learner” labeling, blaming others), with the latter linked to poorer learning and worse mental health — directly supporting the claim. The modern refinement: letting go of emotional dwelling and blame should accompany brief metacognitive reflection that corrects the error, not avoidance of it (which the 2003 excerpt’s “write down the mistakes, realize it” already implies).

Sources: Steuer, Narciss et al. (2025), “Learning from errors and failure in educational contexts: New insights and future directions,” British Journal of Educational Psychology — https://pmc.ncbi.nlm.nih.gov/articles/PMC11803059/ · Neff, Hsieh & Dejitterat (2005, framework reaffirmed in 2020s self-compassion literature), “Self-compassion, Achievement Goals, and Coping with Academic Failure” — https://self-compassion.org/wp-content/uploads/publications/SClearninggoals.pdf · Effects on and consequences of responses to errors: Results from two experimental studies (2025), PMC — https://pmc.ncbi.nlm.nih.gov/articles/PMC11802961/ · Rumination Mediates the Relation of Hostile Attribution to Psychological Maladjustment Among Adolescents from Three Countries (2025), PMC — https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12137534/ · full reference ›

Supported · moderate evidence — You should react to a mistake by acting (deliberately following your training) rather than reacting impulsively.

Current research on error-based learning, growth mindset, and emotion regulation converges on the claim’s principle: a deliberate, reflective response to mistakes (attending to feedback, reappraising) drives learning, whereas impulsive, emotional reactions trigger avoidance that blocks analysis of the error. The 2003 wording is an aphorism, but the underlying self-regulation principle holds.

Sources: Narciss, S. et al. (2025). Learning from errors and failure in educational contexts: New insights and future directions. British Journal of Educational Psychology. https://pmc.ncbi.nlm.nih.gov/articles/PMC11803059/ · Undergraduates’ reactions to errors mediates the association between growth mindset and study strategies (2024). International Journal of STEM Education. https://stemeducationjournal.springeropen.com/articles/10.1186/s40594-024-00485-4 · Effects on and consequences of responses to errors: Results from two experimental studies (2025). https://pmc.ncbi.nlm.nih.gov/articles/PMC11802961/ · Suppression (but Not Reappraisal) Impairs Subsequent Error Detection: An ERP Study of Emotion Regulation’s Resource-Depleting Effect. https://pmc.ncbi.nlm.nih.gov/articles/PMC4002454/ · full reference ›

Supported · moderate evidence — Make a note of every mistake, large or small, and add it to your review later so you can learn from it and avoid repeating it.

Current learning science (error-based learning, deliberate practice, metacognition/self-regulated learning, reflective journaling) consistently confirms that documenting errors and revisiting them with corrective reflection improves retention and reduces repeat mistakes. The one refinement 2026 research adds: the benefit comes from analysis/feedback on the logged error, not mere recording, and the effect is strongest when reviews are spaced over time.

Sources: Steuer, Narciss et al. (2025). Learning from errors and failure in educational contexts: New insights and future directions. British Journal of Educational Psychology. https://bpspsychub.onlinelibrary.wiley.com/doi/10.1111/bjep.12716 · Metcalfe (2017, framework reaffirmed through 2025). Learning from Errors. Annual Review of Psychology. https://www.annualreviews.org/content/journals/10.1146/annurev-psych-010416-044022 · Learning from errors: deliberate errors enhance learning (2025). Contemporary Educational Psychology / ScienceDirect. https://www.sciencedirect.com/science/article/abs/pii/S0361476X2500044X · Latimier et al. (2021). A Meta-Analytic Review of the Benefit of Spacing out Retrieval Practice Episodes on Retention. Educational Psychology Review. https://link.springer.com/article/10.1007/s10648-020-09572-8 · full reference ›

Supported · strong evidence — Many accidents are due to small mistakes adding up into a bigger one, so capture them early and often.

Both pillars of the claim hold in 2026. The diagnosis matches current accident-causation science: Reason’s Swiss cheese / error-chain model remains the dominant framework, treating most failures as multiple small latent and active errors aligning rather than one big cause. The remedy is also supported: error-management-training meta-analyses, learning-from-errors models, and reflective-journaling studies show that capturing and reflecting on mistakes early and frequently improves performance, transfer, and avoidance of repeated errors. The 2003 journaling excerpt is a valid, if narrower, instance of this principle.

Sources: Swiss cheese model — Wikipedia (accident causation as alignment of small/latent failures), https://en.wikipedia.org/wiki/Swiss_cheese_model · Keith & Frese, Effectiveness of error management training: a meta-analysis — PubMed, https://pubmed.ncbi.nlm.nih.gov/18211135/ · Zhang & Fiorella, An integrated model of learning from errors (NSF/PAR), https://par.nsf.gov/servlets/purl/10429504 · Higher Education Students’ Reflective Journal Writing and Lifelong Learning Skills — Frontiers in Psychology (2021), https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2021.707168/full · full reference ›

Supported · moderate evidence — Adversity and getting through hard times builds inner strength and makes you better at your activity.

The core claim holds: stress-inoculation and resilience research (e.g., Seery et al.’s finding that moderate lifetime adversity predicts better resilience/well-being, plus sport injury-related and post-traumatic growth studies) shows getting through hard times can build inner strength and aid performance. The key caveat is dose-response and non-automaticity: only controllable, moderate adversity is strengthening (severe/uncontrollable adversity harms), growth depends on support and positive reframing, and self-reported “growth” is often illusory — so the 2003 statement’s universal, guaranteed framing is an overstatement of an otherwise well-supported idea.

Sources: Seery, M. D., Holman, E. A., & Silver, R. C. (2010). Whatever does not kill us: Cumulative lifetime adversity, vulnerability, and resilience. Journal of Personality and Social Psychology. https://pubmed.ncbi.nlm.nih.gov/23673992/ · Bounce back from adversity: a narrative review and perspective on the formation and consequences of athlete resilience (2025). Frontiers in Psychology. https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1599145/full · Roepke, A. M. et al. / Critical review: Illusory posttraumatic growth is common, but genuine posttraumatic growth is rare: A critical review and suggestions for a path forward (2023). Clinical Psychology Review. https://www.sciencedirect.com/science/article/abs/pii/S0272735823000594 · Growth during the rehabilitation period after a sport injury: systematic review (2014-2024). Cuadernos de Psicologia del Deporte. https://ccd.ucam.edu/index.php/revista/article/download/2293/1432/12666 · full reference ›

Supported · moderate evidence — If a mistake stems partly from a fear such as fear of failure, do further work to document your feelings, the lessons learned, and what you will change.

2025 research converges on the claim’s logic: when a mistake is rooted in emotion like fear of failure, writing down feelings, extracting lessons, and forming a concrete “what I’ll change” plan (expressive writing, adaptive/self-distanced reflection, integrative emotion regulation) promotes insight and learning from failure, whereas suppression or avoidance fosters rumination and disengagement. Direction of effect is robust though expressive-writing effect sizes are modest and conditions-dependent, hence moderate rather than strong.

Sources: Sharabi et al. (2025), “Emotion regulation styles and the tendency to learn from academic failures,” British Journal of Educational Psychology — https://bpspsychub.onlinelibrary.wiley.com/doi/full/10.1111/bjep.12696 · “Reflective journal writing and interpreting anxiety: insights from a longitudinal study” (2025), Frontiers in Psychology — https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1671239/full · “Learning from errors and failure in educational contexts: New insights and future directions” (2025), British Journal of Educational Psychology — https://pmc.ncbi.nlm.nih.gov/articles/PMC11803059/ · Kross & Ayduk, “Self-Distancing: Theory, Research, and Current Directions,” Advances in Experimental Social Psychology — https://www.sciencedirect.com/science/article/abs/pii/S0065260116300338 · full reference ›