{"id":45202,"date":"2018-09-07T13:21:21","date_gmt":"2018-09-07T20:21:21","guid":{"rendered":"http:\/\/world.edu\/?p=45202"},"modified":"2018-09-07T13:21:21","modified_gmt":"2018-09-07T20:21:21","slug":"the-science-of-multitasking-and-why-you-should-doodle-in-class","status":"publish","type":"post","link":"https:\/\/world.edu\/the-science-of-multitasking-and-why-you-should-doodle-in-class\/","title":{"rendered":"The science of multitasking, and why you should doodle in class"},"content":{"rendered":"

\"\"
\nWhen somebody can juggle lots of things at the same time, we often say that they are good \u201cmultitaskers.\u201d All of us multitask once in a while.<\/p>\n

But psychologists have been warning us about it for decades.\u00a0Some say it\u2019s harmful to productivity<\/a>\u00a0and others say\u00a0you can\u2019t do it at all<\/a>.<\/p>\n

For example,\u00a0talking on the phone while driving makes your driving worse<\/a>, because you\u2019re distracted. (Laws allowing hands-free cellphone use are misguided;\u00a0distracted driving has nothing to do with whether you\u2019re using your hands or not.<\/a>)<\/p>\n

But there are other studies that suggest multitasking may have benefits. One study showed that talking on the phone during long, monotonous drives\u00a0might help keep drivers alert<\/a>\u00a0and awake. And other studies show that\u00a0students sitting in a \u201cboring\u201d lecture may be better off doodling<\/a>, because the combination of activities keeps their minds occupied.<\/p>\n

As someone who works on broad models of how the mind works, these seemingly contradictory findings are intriguing. Is multitasking good, bad or impossible?<\/p>\n

Switching tasks<\/strong><\/h4>\n

What many people might call \u201cmultitasking\u201d may actually be something psychologists call \u201crapid task-switching.\u201d<\/p>\n

For example, when you answer texts while watching a movie, your attention flips from the movie to the text. You aren\u2019t really paying any attention both at the same time. When you read a text, you miss part of the movie.
\n

\"\"

Face it: you can\u2019t watch a movie and text at the same time. (Shutterstock)<\/p><\/div><\/p>\n

This is what psychologists mean when they say multitasking is impossible. Your attention and consciousness only can focus on a little bit at a time, so it\u2019s one task or the other.<\/p>\n

And then there\u2019s the cost that comes with task-switching. There\u2019s a delay when you switch from one thing to another, and sometimes a temporary drop in performance.<\/p>\n

An hour spent on one thing followed by an hour on another is fine. The task-switching cost is much less than the time you\u2019re spending on each task. But if you\u2019re switching tasks every few minutes, or every few seconds, the cognitive cost of switching from one task to the other interferes with performance.<\/p>\n

You can think of it like losing money. If it costs you a quarter to switch from texting to paying attention to class, doing it once or twice is no big deal, but if you do it all day, you\u2019ll have to adjust your budget.<\/p>\n

Calculating the cost<\/strong><\/h4>\n

For\u00a0some tasks<\/a>, such as identifying the gender of a face, and then switching to identifying the facial expression, the switch only takes only about\u00a0200 milliseconds<\/a>. But even this small cost can reduce productivity by 40 per cent if you try to study while watching a movie.<\/p>\n

These results, and others like it, come from the field of cognitive psychology, where researchers study volunteers in a controlled laboratory setting, usually doing rapid-response tasks on a computer.<\/p>\n

But how well do these findings translate to the real world?<\/p>\n

In offices, people get interrupted repeatedly throughout the day. Your work on a budget might be disrupted by a coworker who wants to tell you about their kids.<\/p>\n

The cost of this kind of multitasking adds up. Interruptions cost the United States an estimated\u00a0US$650 billion a year<\/a>. University of California, Irvine computer scientist\u00a0Gloria Mark estimates<\/a>\u00a0that it takes\u00a025 minutes, on average, to get back to task!<\/a>\u00a0Some people in the study never did.
\n

\"\"

It takes an average of 25 minutes to return to a task after you\u2019ve been interrupted. Shutterstock<\/p><\/div><\/p>\n

Measurement is never perfectly accurate, but when science has a range of a\u00a0200 milliseconds<\/a>\u00a0to\u00a025 minutes<\/a>, that\u2019s a good sign we need to dig a little deeper.<\/p>\n

The cognitive psychologists are doing very controlled laboratory studies, where you\u2019re doing fairly simple tasks with simple stimuli. The task in those experiments often involves simply attending to another aspect of what you\u2019re looking at (such as gender vs. facial expression of faces). But you can see how this is very different situation from getting a phone call in the middle of writing a report.<\/p>\n

In the real world, when you get a phone call, you have to take the call and you might get distracted by other things. It might even take you\u00a068 seconds to remember what you were doing<\/a>.<\/p>\n

Practical advice<\/strong><\/h4>\n

The negative effect of multitasking is real, but it\u2019s particularly problematic because people don\u2019t realize these negative effects are happening. Interruptions and doing many things at once generally make us less productive.<\/p>\n

The advice is simple: when doing something that requires thinking, don\u2019t do anything else.<\/p>\n

To remain focused but at the same time cover a lot of ground, try structuring your day into half-hour chunks. Work on something different just about every half hour.<\/p>\n

I do this and to some people this sounds like multitasking. But it\u2019s actually focused work, because I do\u00a0nothing else<\/em>\u00a0during each half hour.\u00a0I don\u2019t check my phone<\/a>, email or switch tasks at all during the half hour. Even though I do many different things in a day, each one stays fresh in my mind for when I get to it the next day.<\/p>\n

Multitasking isn\u2019t all bad. If one of the tasks is really easy, or something you can do unconsciously, there is little downside. Listening to music while you exercise\u00a0makes you exercise more.<\/a>Doodling during a boring lecture, or\u00a0listening to instrumental music while you program computers<\/a>or\u00a0study<\/a>\u00a0helps you focus.<\/p>\n

Even task switching isn\u2019t all bad. It refreshes your mind.\u00a0Many people deliberately switch tasks to \u201cincubate\u201d<\/a>\u00a0a problem they are stuck on.<\/p>\n

Knowing that you only have half an hour to work on something can help with motivation, too. No matter how much you dread working on something, it is, after all, only 30 minutes.<\/p>\n

Author Bio:<\/strong> Jim Davies is a Professor, Institute of Cognitive Science at Carleton University<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

When somebody can juggle lots of things at the same time, we often say that they are good \u201cmultitaskers.\u201d All of us multitask once in a while. But psychologists have been warning us about it for decades.\u00a0Some say it\u2019s harmful to productivity\u00a0and others say\u00a0you can\u2019t do it at all. For example,\u00a0talking on the phone while […]\n… learn more→<\/a><\/p>","protected":false},"author":33,"featured_media":45203,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[95],"tags":[42629],"coauthors":[11733],"class_list":["post-45202","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lifestyle","tag-multitasking"],"acf":[],"yoast_head":"\nThe science of multitasking, and why you should doodle in class - World leading higher education information and services<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/world.edu\/the-science-of-multitasking-and-why-you-should-doodle-in-class\/\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:locale\" content=\"en_US\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:type\" content=\"article\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:title\" content=\"The science of multitasking, and why you should doodle in class - World leading higher education information and services\" class=\"yoast-seo-meta-tag\" \/>\n<meta property=\"og:description\" content=\"When somebody can juggle lots of things at the same time, we often say that they are good \u201cmultitaskers.\u201d All of us multitask once in a while. But psychologists have been warning us about it for decades.\u00a0Some say it\u2019s harmful to productivity\u00a0and others say\u00a0you can\u2019t do it at all. 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