National Geographic

You’re having fun when time flies

They say that time flies when you’re having fun but it also works the other way round. If you make people think that time is passing more quickly, you can make tasks more fun, noises less irritating and good songs even better.

   I’M NOT HAVING FUN!It’s clear that our perception of the passage of time depends on how we spend it. When we’re motivated, engaged or alert, it shoots by and when there’s nothing to occupy our minds, it slows to a crawl. This was demonstrated most evocatively by a French geologist called Michel Siffre, who spent 2 months in a cave, completely isolated from human contact, clocks or daylight. He emerged after 59 days but thought that he had spent just 25.

We’re so familiar with this effect that it can lead to faulty causal deductions. When our sense of time is distorted, we look for an explanation. And the most obvious one is that we’re doing something that’s either more or less fun.

Aaron Sackett form the University of Chicago demonstrated this through a series of clever experiments. First, he led 37 students into a room, deprived them of clocks and phones, started a stopwatch and asked them to underline specific words in a text. They were told they had 10 minutes, but Sackett told them their time was up after either 5 or 20 minutes. Alternatively, he came back after 10 minutes and said that 5 or 20 minutes had passed.

In both cases, preset stopwatches sealed the illusion. And in both studies, students who thought that time had flown by rated the test as more enjoyable, challenging, engaging and fun than those who were fooled into thinking that time had dragged.

It’s an interesting result, but the volunteers could well have immersed themselves ‘in the zone’ during the word task. This state of high concentration can itself affect enjoyment and the perception of time. To account for that, Sackett gave his next set of volunteers a really boring and definitively unpleasant task. He asked 99 of them to listen to a really irritating track made up of sampled dot-matrix printers. It’s called “} . } @ }. @ . } @ } . @ . } @ } . @ . } @ } . @ . } @ } . @ . }“). I’m not kidding.

As they listened, they watched a timer on a screen. If the timer was 20% faster than real time, the volunteers were less irritated by the printer sounds than those whose timers were 20% too slow. They were also less willing to switch from the printing cacophony to a different brand of irritating noise – the buzz of an electric drill.

Sackett thinks that people attribute distorted feelings of time to changes in enjoyment. In other words, we think that time flies when you’re having fun, so changes in the flight of time must relate to how much fun we’re having. The alternative idea is that the speedy march of time is actually pleasant in its own right. Sackett distinguished between these explanations by showing that the illusion only works if people are surprised by how much time has passed and if they actually believe that time flies when you’re having fun.

He asked 106 students to listen to one of their favourite songs while watching a timer on a screen. The timer either showed the elapsed or remaining time for the track, and it was either sped up or slowed down by 20%. When the timer showed the elapsed time, speeding it up made the students enjoy the song more compared to slowing it down. When the timer showed the remaining time, nothing happened.

Sackett explains that the timer only surprises the students when it counts up. In this scenario, the recruits didn’t know how long the song was going to be, and the final count contradicted their expectations. When the timer counted down, they knew the song’s alleged length right from the start, and expected the arrival of the 0:00 endpoint. This suggests that a faster tempo isn’t inherently pleasing – it only shifts our sense of enjoyment when it is distorted enough to surprise us.

Sackett also asked 109 students to solve as many anagrams as possible in 5 or 10 minutes, but in reality, all of them had 7.5 minutes. The effect was expected but it was strongest in students who most strongly believed that time flies when you’re having fun. In another study, Sackett actually manipulated their belief by showing them a science news story that either supported or refuted the “time flies” theory. When they did the word task from the previous study, the link between time and enjoyment was stronger among students who read the supportive article and non-existent among those who read the refutation. Some of the students guessed the purpose of the experiment, but removing them from the mix didn’t change the results.

Finally, 60 students did the same word exercise from the first study but in this experiment, they were given an alternative explanation for the passage of time. They all wore foam earplugs to reduce distraction. Half of them filled in a survey with leading questions designed to suggest that earplugs can make time fly or drag. This alternative explanation killed the link between time and enjoyment.

Together, these studies strongly support Sackett’s claim – our sense of how quickly time is flowing both affects and depends on how much we’re enjoying ourselves. They also suggest that we could actively make our experiences more enjoyable by making it seem that time passes by faster. Sackett says that there are many ways of doing this, from simple things like swigging caffeinated drinks and rigorous exercise, to more unusual strategies like playing background music that doesn’t fit the context (like Chinese music in an English restaurant).

These myriad tactics can change the perception of time – all you need to do then is to provide a “surprise moment” as Sackett did in his study. “To do this, you’d need to either distract people from actual time (i.e. from clocks) or else remove clocks altogether,” he says. “Retail stores and casinos already do this well. Gyms, on the other hand, tend to have clocks everywhere. Then, after a while, allow them to make a clear comparison between how much time they thought had passed and how much time actually passed.” For a shop-owner, the simple act of providing customers with free coffee and removing clocks from the walls could make a big difference to how enjoyable they’ll remember their visit.

Sackett does have one caveat though. “Because I know why time is flying (and it’s not because working out is fun), the effects of these strategies shouldn’t work as strongly for me as it would for someone who hasn’t read my research! Sometimes ignorance is bliss.”

Reference: Psychological Science 10.1177/0956797609354832



There are 11 Comments. Add Yours.

  1. Lilian Nattel
    December 23, 2009

    Now I know what to do when my children have homework!

  2. kathy Orlinsky
    December 23, 2009

    When I was in grad school, we had a discussion with a circadian rhythm researcher (unfortunately, I can’t recall his name). He ran an experiment with people placed in total isolation for about two days. The volunteers were supposed to do absolutely nothing except eat and sleep so the researchers could monitor their temp., resting cycles and other things. The subjects were kept in completely bare rooms so they wouldn’t have anything to do.
    What they found is that the test subjects had written poems on toilet paper using splinters, made chess men out of scraps of foil and lint, etc.
    So the researchers didn’t get the data they wanted, but they did find out that it is impossible for human beings to do nothing for two days.
    I suspect that the subjects who hit upon a project early on felt the two days go by much sooner than the ones who twiddled their thumbs thinking of something to do.

  3. R.
    December 23, 2009

    How does consuming caffeine make time appear to go faster?

  4. WMDKitty
    December 23, 2009

    What about those of us who, quite literally, have NO sense of time whatsoever?

  5. Nathan Myers
    December 23, 2009

    Michel Siffre’s result suggests, on its face, the opposite. He should have emerged after 25 days feeling as if 59 days had passed.

  6. scarshapedstar
    December 24, 2009

    Yeah, what’s that about? I guess he was having a hell of a lot of fun, all alone in a dark cave?

  7. stripey_cat
    December 24, 2009

    In my very limited personal experience of caves, if you like it, it can be very soothing and meditative to be down there in the dark on your own in total silence and still air.

  8. Phaedrus
    December 24, 2009

    “Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. THAT’S relativity.”
    -A. Einstein

  9. chezjake
    December 26, 2009

    “Time’s fun when you’re having flies.”
    – The Bullfrog King

  10. becca
    December 28, 2009

    That’s awesome. I always wondered why I play my looking-at-the-clock game while working out (basically, I’ll listen to music and count the number of songs to have an idea of how long has passed, but always low-ball the estimate. I’ll try to keep from looking at the clock until X amount of time has passed, and I usually make it longer and find the whole thing motivating somehow).

  11. Jason R
    December 29, 2009

    I wonder if Siffre is schizoid. They enjoy being alone more than being around people.

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