The Psychology of Your Future Self: Dan Gilbert (Full Transcript)

Dan Gilbert at TED Talks

Here is the full text of social psychologist Dan Gilbert’s talk titled “The Psychology of Your Future Self” at TED conference.

Dan Gilbert – TED Talk TRANSCRIPT

At every stage of our lives we make decisions that will profoundly influence the lives of the people we’re going to become. And then when we become those people, we’re not always thrilled with the decisions we made.

So young people pay good money to get tattoos removed that teenagers paid good money to get. Middle-aged people rush to divorce people who young adults rush to marry.

Older adults work hard to lose what middle-aged adults worked hard to gain. On and on and on.

The question is, as a psychologist, that fascinates me is: Why do we make decisions that our future selves so often regret?

Now, I think one of the reasons — I’ll try to convince you today — is that we have a fundamental misconception about the power of time.

Every one of you knows that the rate of change slows over the human lifespan, that your children seem to change by the minute but your parents seem to change by the year.

But what is the name of this magical point in life where change suddenly goes from a gallop to a crawl? Is it teenage years? Is it middle age? Is it old age?

The answer, it turns out, for most people, is now, wherever now happens to be.

What I want to convince you today is that all of us are walking around with an illusion… an illusion that history, our personal history, has just come to an end, that we have just recently become the people that we were always meant to be and will be for the rest of our lives.

Let me give you some data to back up that claim.

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So here’s a study of change in people’s personal values over time. Here’s three values. Everybody here holds all of them, but you probably know that as you grow, as you age, the balance of these values shifts.


Well, we asked thousands of people. We asked half of them to predict for us how much their values would change in the next 10 years, and the others to tell us how much their values had changed in the last 10 years.

And this enabled us to do a really interesting kind of analysis, because it allowed us to compare the predictions of people, say, 18 years old, to the reports of people who were 28, and to do that kind of analysis throughout the lifespan.

Here’s what we found.

First of all, you are right, change does slow down as we age. But second, you’re wrong, because it doesn’t slow nearly as much as we think.

At every age, from 18 to 68 in our data set, people vastly underestimated how much change they would experience over the next 10 years. We call this the “end of history” illusion.

To give you an idea of the magnitude of this effect, you can connect these two lines, and what you see here is that 18-year-olds anticipate changing only as much as 50-year-olds actually do.

Now it’s not just values. It’s all sorts of other things. For example, personality. Many of you know that psychologists now claim that there are five fundamental dimensions of personality: neuroticism, openness to experience, agreeableness, extraversion, and conscientiousness.

Again, we asked people how much they expected to change over the next 10 years, and also how much they had changed over the last 10 years.

And what we found, well, you’re going to get used to seeing this diagram over and over, because once again the rate of change does slow as we age. But at every age, people underestimate how much their personalities will change in the next decade.

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And it isn’t just ephemeral things like values and personality. You can ask people about their likes and dislikes, their basic preferences. For example, name your best friend, your favorite kind of vacation, what’s your favorite hobby, what’s your favorite kind of music.

People can name these things. We ask half of them to tell us, “Do you think that that will change over the next 10 years?” and half of them to tell us, “Did that change over the last 10 years?”

And what we find, well, you’ve seen it twice now, and here it is again: people predict that the friend they have now is the friend they’ll have in 10 years, the vacation they most enjoy now is the one they’ll enjoy in 10 years.

And yet, people who are 10 years older all say, “Eh, you know, that’s really changed.”

Does any of this matter? Is this just a form of mis-prediction that doesn’t have consequences? No, it matters quite a bit, and I’ll give you an example of why.

It bedevils our decision-making in important ways. Bring to mind right now for yourself your favorite musician today and your favorite musician 10 years ago. I put mine up on the screen to help you along.

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