Repetition shapes what you believe. Statements you hear often start to feel true, even when you know better. Psychologists call this the illusory truth effect, and it is at work in your life every day.

“Brainwashing” sounds like something done to prisoners in a locked room. The everyday version is far more common. You see the same claims, images and judgments so many times that they stop feeling like claims and start feeling like facts. Nobody has to force you. Seeing them over and over is enough.

How advertising uses repetition

Advertising has worked this way for a century. In 1972, Herbert Krugman published “Why three exposures may be enough,” and the industry’s whole vocabulary of reach and frequency grew from the same idea: what moves people is not how strong an argument is but how many times they see it. Nobody remembers being persuaded by a jingle, and that is exactly why jingles work.

Media researchers found the same pattern on a large scale. George Gerbner and Larry Gross described cultivation: people who watch a lot of television come to see the world as more dangerous, closer to what they watch than to where they actually live. Maxwell McCombs and Donald Shaw described agenda-setting: news coverage is less effective at telling you what to think than at deciding what you think about. Neither effect needs your agreement. Both run on repetition.

What the research shows

The laboratory findings behind them are older and simpler. Robert Zajonc showed that seeing something again and again, whether a shape, a word or a face, is enough on its own to make people like it more, with no argument attached. He called it the mere exposure effect. Hasher, Goldstein and Toppino showed that repeated statements come to feel truer, and Fazio and colleagues later showed that knowing better does not protect you: people rated repeated claims as more true even when they knew facts that disproved them.

Where your beliefs came from

Put those findings together and the result is simple: repetition is shaping your beliefs all day, using sentences you never chose. They come from a feed built to hold your attention, the billboards on your commute, the things your family said about money and the one sentence a manager said years ago that you have replayed thousands of times since. Almost none of it was chosen by you, and much of it was not even meant for you.

How to choose what repeats

That is what SOMOTE is for. Repetition has shaped your mind your whole life, using whatever happened to be around you. SOMOTE uses the same repetition on sentences you wrote yourself, about the life you want. Instead of being shaped by accident, you choose what shapes you. Download SOMOTE free and put your own sentences on your screen today.