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Art Markman, Ph.D.

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Just Say 'No' to Multitasking

Posted: 08/20/11 12:05 PM ET

School is back in session. As the kids pour back into the schools, you'll see lots of new backpacks, fresh notebooks, lots of pens and pencils ... and cell phones. That's right. Check out the kids walking into school. Many of them have their faces hunched over a phone texting someone else on the other side of the building.

Cell phones have made many aspects of parenting easier. Parents no longer have to worry about where their kids have gone after school. They do not have to rely on their kids to remember to leave a note when going to a friend's house. They can alert a child that traffic has delayed them on their way to pick them up from baseball practice.

But cell phones are also one of the biggest sources of multitasking. Add to that portable video games and instant messaging, and you have a host of distractions. And this is just as true for the adult world as it is for the child's world.

How do people multitask?

There are certain things that people are able to do simultaneously. We really can walk and chew gum at the same time. Most of the time, though, when we can do two things at once, it is because one or both of those things are highly overlearned habits that don't require you to monitor how well you're doing.

A kid at school, though, is there to learn new things. (And for that matter, people at their desks at work are supposed to be focused on doing something important.) When you are learning something new, then you need to be focused on that material. If you try to do two things at once, then you end up switching back and forth between them. A few seconds of learning, a few seconds of texting, then a few more seconds of learning.

That switching back and forth makes you bad at both tasks.

Plus, there is a switching cost. It takes a bit of time for you to change your mindset when you change tasks. So, when you try to multitask, not only do you make each task less effective, you also make it slower.

Most of us, though, think we're above average multitaskers. We believe that other people might suffer, but we're actually pretty good at it. Unfortunately, multitasking also impairs the areas of the brain that you use to monitor your own performance. So, you're just not the best judge of your own multitasking ability.

The cell phone is a particular problem, because it provides a constant distraction. You never know when the next text message or email may come in. So, you tend to develop a habit to check your phone regularly. That habit starts to prey at you during the day. A kid in school who has gotten used to checking text messages regularly will frequently start wondering whether a new message has come in, which will be a distraction from school.

Ultimately, it is a good idea to put your cell phone away for the day at school or at work. Shut it off and leave it off until you are on a break or at lunch. Get in the habit of checking your texts and emails only a few times a day rather than all the time. All of this helps you to stay focused.

 
 
 

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School is back in session. As the kids pour back into the schools, you'll see lots of new backpacks, fresh notebooks, lots of pens and pencils ... and cell phones. That's right. Check out the kids wal...
School is back in session. As the kids pour back into the schools, you'll see lots of new backpacks, fresh notebooks, lots of pens and pencils ... and cell phones. That's right. Check out the kids wal...
 
 
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Stuart1021
Author: The Seventh System (www.seventhsystem.ne
08:30 AM on 08/23/2011
Are women better at multi-tasking than men? There is anecdotal evidence that women can either do two things at once or switch more artfully between the two than men can, especially as concerns language. Women seem to be able to do an action and carry on a conversation better. This has been explained as having language on both sides of the brain (where men don't) and a thicker corpus callosum to transfer content from one hemisphere to the other more readily.
I am scowled at all the time because I can't prepare dinner and talk to my wife at the same time. Most men I know also claim they can only do one thing at once, but our generation did not grow up with cell phones.
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abmarkman
A cognitive scientist, blogger, and author
09:03 AM on 08/23/2011
One big factor that influences how well you can do two things at once is how much practice you have with each of the tasks. If you're highly practiced at a skill (like cooking), you'll have to do less planning and can do more by habit than people who are less good at it.

In addition, we tend to notice people who succeed at something that we're not good at.

Finally (as an aside) for most right handers (men and women) much of the structural part of language is in the left hemisphere of the brain. I think the jury is still out on exactly what it means to have a thicker corpus callosum.
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Stuart1021
Author: The Seventh System (www.seventhsystem.ne
10:20 AM on 08/23/2011
Cooking for me is a creative rather than perfunctory act. That is what makes it interesting, and why it consumes my full attention.
I've noticed that women can jump from subject to subject in conversation without losing the thread, while I and other men want to finish one conversation before starting another. Is that because women are more experienced talkers, or is some other factor at play?
Perhaps one can trace this difference in ways of conversation to the hunter-gatherer past, when men needed to hunt silently to avoid scaring away prey and women gathered more noisily to scare off predators?
05:25 AM on 08/21/2011
My doctors have diagnosed me with an "extreme case" of ADD. I am medicated for it, but I still don't know how to NOT multi-task. It's a necessity in my job- I own a retail shop, where I oversee about ten employees, answer questions from employees and customers, while keeping track of ongoing jobs, general operations and coordinating functions from finances to inventory. I also do graphics work, ordering, and communications on the computer. My store is successful, my employees are fairly content and my dog is fed. I read this article while updating my face book status and eating dinner, and now I feel like I'm doing something wrong!
01:17 AM on 08/21/2011
This reminds me of my friend who works at Wells Fargo. He told me that his team's meeting productivity would increase 40% or more if everyone wasn't texting and checking their texts during meetings. These same employees were guilty of occasionally checking texts while driving. Teens text about 4000 times a month. Are they supposed to display the discipline that we as adults can't find?

After my three year old daughter was nearly run down by a texting driver in 2009, I invented an app to manage texting whether the user is at home, in the office or on the road. OTTER (One Touch Text Response) has GPS road safety features and a silent texting Auto Reply with a timer and unlimited, grouped, customizable responses. Its simple and easy to schedule "texting blackout periods" so you can focus on the task at hand, like an important meeting - or anything like... watching a movie ot paying attention in class. Maybe technology can help us get back to doing one thing at a time with quality results.

Erik Wood, owner
OTTER LLC
OTTER app
07:03 AM on 08/22/2011
" He told me that his team's meeting productivi­ty would increase 40% or more if everyone wasn't texting and checking their texts during meetings. These same employees were guilty of occasional­ly checking texts while driving. Teens text about 4000 times a month. Are they supposed to display the discipline that we as adults can't find?"

Good point. I am working diligently to stop use of cell phones of my staff during the work day other than scheduled breaks. They are too distracted with their cell phones and not paying attention to their tasks. Family calls? Try using the land lines and call Mom only when necessary.
12:43 AM on 08/21/2011
I have never owned or used a mobile phone and I don't see any reason to. I think the only reasons anybody should need a mobile phone is if they are traveling out of town, own a business, or have children. I am so surprise parents are willing to let their children have cellphones with unlimited phone calls which allows them to do cyberbullying, drug dealing, porno, prostitution, video gambling, and other crimes by phone. Children should be allowed to dial only three telephone numbers to contact three people: their mother, their father and 911 for emergencies only: aren't those three telephone numbers enough for minors?
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CountLeo
It's a rich language - learn to use it.
07:42 PM on 08/20/2011
I suppose you might call it multitasking - these guys seem to be breathing at the same time they're staring at their phones - but I work with a bunch of late-twenty / early thirty guys in a technological field. Half of these guys have to be kicked every now and then to be reminded that they are at work. I don't know if they are sleeping or what but I see a market for a headset that dangles your phone four inches in front of your nose so you never have to look away.

Don't get me wrong - I love my smart phone - it astounds me what I can do with this gadget but I just hope none of these guys ever attempts to be in a relationship with a human that you could actually touch.
01:27 PM on 08/20/2011
Just because one generation is not good at multitasking, does not mean that kids today are not developing different critical thinking skills that enable them to multitask better than their parents. I seem to remember studies where kids who played video games developed higher cognitive function isome areas as a result...so, who knows...we may have a whole generation of kids whose brains just work slightly different. Plus, just wait until their kids grow up with comlink implants!
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abmarkman
A cognitive scientist, blogger, and author
01:55 PM on 08/20/2011
Video games can promote fast thinking skills and help players to take in and process a lot of information. But, they do not help with multitasking. Even in a video game, the player is immersed in one task at a time. There are still costs to switching from one task to another.

I think that people keep hoping that if they try it enough, then multitasking will become second nature. We are just a lot more efficient doing one thing at a time. And the more complex the thing we're trying to do or learn, the less efficient we get.
04:07 PM on 08/20/2011
"Even in a video game, the player is immersed in one task at a time"

...what? Maybe in some cases, but you clearly haven't played enough video games. There are countless games where you have to focus on multiple things at the same time. Video games have definitely become far easier and dumbed-down in general in the last decade or two, though, because doing this vastly increases the size of the market. Games of the past were often unbeatable by the average player -- now it's almost a given that you'll eventually finish any given game if you try long enough.

Much of it is simply the way that some peoples' brains work, but certain activities like some types of video games can surely help develop these skills.
04:09 PM on 08/20/2011
For an example, take a game where you're driving a vehicle with controls on one hand and aiming a gun that can move completely independently of the direction that the vehicle is moving. That is multitasking in its simplest form, and it certainly helps develop those abilities.
12:41 PM on 08/20/2011
How if you're not a super-phone user. As in, you don't check for text messages frequently and all. Then is multi-tasking alright? For example; eating while driving or eating while being on the internet? Just asking. :)
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abmarkman
A cognitive scientist, blogger, and author
01:56 PM on 08/20/2011
Great question. I think the key is that when you're trying to do something difficult, you should avoid multitasking. If you are doing something that isn't so taxing (eating, for example), then you can share time between eating and something else. But, the more concentration that is required, the more that multitasking interferes.
04:17 PM on 08/20/2011
I think that people should be honest with themselves about their ability to do more than one thing at a time. There are plenty of people that are terrifying when they pick up a cell phone while driving, but I also know people who can hold a phone in one hand and a cigarette in the other and still drive better than most of the population.
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abmarkman
A cognitive scientist, blogger, and author
04:46 PM on 08/20/2011
Agreed!