Positive affirmations do not reliably work, and for people with low self-esteem a controlled experiment found they made things worse. Participants asked to repeat “I am a lovable person” ended up in a worse mood and felt worse about themselves than a control group who said nothing at all. [wood-2009-affirmations-pa]
The technique failed hardest for exactly the people it is sold to. That is the finding worth knowing before you spend another morning on it, and there is a version with real evidence behind it that almost nobody means when they say the word.
Do positive affirmations work
Mildly, for people who already feel good about themselves, and counterproductively for people who do not. In the experiment above, participants were sorted by existing self-esteem and asked either to repeat the statement or to do nothing. Among those with high self-esteem the effect was small and positive. Among those with low self-esteem, the ones repeating the statement did worse on mood and on how they felt about themselves than the controls. [wood-2009-affirmations-pa]
That split is the whole story. A technique that helps people who are already fine and hurts people who are struggling is not a treatment for struggling, whatever the marketing around it says.
Why they backfire
Assert something you do not believe, and the mind produces the counter-argument. This is ordinary and it is not a defect in you. Statements are evaluated against evidence automatically, so “I am a lovable person” summons the specific occasions that seemed to contradict it, and the exercise turns into a structured review of your own case against yourself.
Repetition does not fix this, and the standard advice to say it more often or with more conviction makes it worse rather than better. You are not failing to believe it hard enough. You are running an argument, and the more times you run it, the more rehearsed the opposing side becomes.
A schematic of the pattern reported in Wood, Perunovic and Lee (2009), which sorted participants by existing self-esteem. Not the study's own figures.
The other thing called affirmation
There is a large research literature on “self-affirmation”, and it is not about repeating positive statements. Self-affirmation theory involves reflecting on a value that genuinely matters to you, such as family, honesty, craft or fairness, usually by writing briefly about why it matters and a time you acted on it. [sherman-cohen-2006-selfaffirmation]
Notice what that exercise does not contain. It makes no claim about your worth, your lovability or your competence. There is nothing to disbelieve, which is precisely why it does not trigger the counter-argument that sinks the popular version.
This distinction gets lost constantly. Studies from the values literature are cited as evidence that morning affirmations work, and the two are different exercises tested on different questions. If you have ever been shown research supporting affirmations and found the technique still did nothing for you, this is very often why.
What to do instead
Three things ask less of your credulity and have better support behind them.
Write about a value, not about yourself. Five minutes on what actually matters to you and a recent time you acted on it. This is the exercise the research literature studies, and it contains no self-assessment to argue with.
Change how you speak to yourself after a failure, rather than how you rate yourself in general. Self-compassion requires no positive evaluation at all, which is why it remains available on the days self-esteem has nothing to offer. [neff-2003-selfcompassion-pa] Our guide to self-compassion covers the three components and what the trial evidence shows.
If you want a statement, make it one you can defend. The active variable is believability rather than positivity. “This is hard and I have done hard things before” survives scrutiny. “I am confident and fearless” does not, if you are neither.
Would a statement survive your own scrutiny?
Think of an affirmation you have used or considered, then tick what is true of it. This is a reflection prompt rather than a test.
0 of 6 ticked
The first four items describe a statement with somewhere to stand: specific, qualified, about behaviour rather than identity. That is the shape that does not summon the counter-argument, and it is a reasonable thing to keep using.
If you ticked either of the last two, that is the shape the research found backfires: absolute, about your worth, and contradicted by what you currently believe. Try converting it into something about a specific thing you did, which is harder to argue with because it happened.
Nothing matched, which is a reasonable outcome. The values-based exercise described above may suit you better, since it asks you to write about what matters rather than to assert anything about yourself.
No screener on this site measures self-esteem in the sense this article is about, though the hub lists a Rosenberg self-esteem questionnaire, which measures the running evaluation rather than the deeper question of worth. The self-worth hub sets out why we treat those as different questions.
When to seek help
Speak to a doctor or a therapist if the belief that you are worthless is persistent rather than situational, if it comes with low mood or loss of interest lasting more than a couple of weeks, or if it is stopping you doing things you want to do. Self-critical thinking that has been running for years responds better to structured work than to reading, and asking for a compassion-focused or cognitive behavioural approach by name is reasonable.
Raise it sooner if the affirmations you have been trying leave you feeling actively worse. That is a recognised effect rather than a sign you are beyond help, and it is useful information for a clinician.
Go urgently if you have thoughts of harming yourself.
How MyFreud can help
Whether the hard days follow events or arrive on their own is nearly impossible to reconstruct from memory, and it is the question that decides what would actually help. MyFreud gives you daily mood tracking that shows the pattern across weeks rather than the impression you are left with.
Download MyFreud and start today: App Store or Google Play.