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April 3, 2009 4:15 AM PDT

Study: 'Leisure browsing' increases productivity

by Larry Magid
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Updated at the end with response to some reader comments

Here's some good news that you should forward to your boss.

A study conducted in Australia found that people who engage in "Workplace Internet Leisure Browsing" (WILB) are more productive than those who don't. Workers who "surf the Internet for fun at work--within a reasonable limit of less than 20 percent of their total time in the office--are more productive by about 9 percent,"* according to the study's author, Professor Brent Coker, from the University of Melbourne's Department of Management and Marketing.

Professor Brent Coker

(Credit: University of Melbourne)

The reason that "WILB" increases productivity, he said, is that "people need to zone out for a bit to get back their concentration. Think back to when you were in class listening to a lecture--after about 20 minutes your concentration probably went right down, yet after a break your concentration was restored."

A short break, such as surfing the Internet, "enables the mind to rest itself, leading to a higher total net concentration for a day's work, and as a result, increased productivity."

But this doesn't apply to everyone. Approximately 14 percent of the sample showed signs of Internet addiction and, for them, Web surfing can decrease productivity. The more they surfed at work, the less productive they were. The reason for this, he said, "is because of an 'urge' to search the Internet. "Those that aren't addicted, don't have this urge and they surf the Internet as a reward."

The study found that 70% of the 300 workers surveyed engage in "WILB." The report was released in Melbourne on April 2nd when it was still April 1st in the United States. In an email, Dr. Coker assured me that it's not an April fools joke.

I'm not sure whether the result of this Australian study applies to workers in the U.S. and other countries, but I for one have a vested interest in believing what he says. If nothing else, it's a great excuse, especially if your boss is giving you a hard time for "WILB."

*A postscript based on reader comments:

Some people have wisely questioned the researcher's math. In an exact quote from the study's author, I point out that workers who "surf the Internet for fun at work--within a reasonable limit of less than 20 percent of their total time in the office--are more productive by about 9 percent." What isn't clear is whether or not there is 9% productivity gain after accounting for up to 20% fewer hours of work. I emailed the study's author with that question and will file an update when I receive an answer.

Need even more justification to slack off? Click below to hear about it in Dr. Coker's own voice.

Listen now: Download today's podcast

Larry Magid is a technology journalist and an Internet safety advocate. He's been writing and speaking about Internet safety since he wrote Internet safety guide "Child Safety on the Information Highway" in 1994. He is co-director of ConnectSafely.org, founder of SafeKids.com and SafeTeens.com, and a board member of the National Center for Missing & Exploited Children. Larry's technology analysis and commentary can be heard on CBS News and CBS affiliates, and read on CBSNews.com. He also writes a personal-tech column for the San Jose Mercury News. You can e-mail Larry or follow him on Twitter @larrymagid.
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by biffhenerson April 3, 2009 6:14 AM PDT
Simple math = impossible.
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by clinttaylor April 3, 2009 6:51 AM PDT
I was about to forward this to the people I work with, but then I thought that browsing 20% of the time increasing productivity by 9% still means people are up to 11% less productive than if they hadn't browsed at all. Probably not the best motivational piece.
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by larrymagid April 3, 2009 8:37 AM PDT
Interesting math. I wish I thought of it when I wrote the piece. I was the messenger here -- that was a direct quote from the author
by larrymagid April 3, 2009 8:43 AM PDT
I just sent a query to the study's author (where it is 2:40 AM Saturday) to see if he accounted for the 20% downtime when calculating the 9% gain. I hope my tone on this was came off as light-hearted as I meant it to be. I don't for one minute think we can generalize much from this study
by Grifter02 April 3, 2009 8:48 AM PDT
It seemed pretty obvious to me, in the context of his quote, that he meant total productivity for a work day went up by by 9%.
by mcdougas April 3, 2009 8:52 AM PDT
interesting but flawed math. If they are spending 20% of their time browsing and are still 9% more productive, then the 20% of the time spent browsing was being wasted in inefficiency with the non-browsers. You can't just subract 9% from 20% and say they're less productive... they are getting 9% more work done in 20% less of the time available. e.g. 80% of their time working at 90% of peak productivity (or 72% of peak productivity) is better than 100% of the time at 63% of peak productivity.
by sanjayb April 3, 2009 9:47 AM PDT
It also depends what type of surfing is being done. Are you are surfing just to look at silly stuff or are you surfing to catch up on the news or learning about a new product or doing some research? I find that I can gain alot of knowledge that can have either direct or indirect positive effects on my productivity.
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by spongbooob April 3, 2009 3:56 PM PDT
The actual results and pieces from Dr Coker's report are published here: http://www.deloosh.com.au/blog/

The study predicted that those who WILBed were more productive than those who didn't (or couldn't because they were blocked). So, your point that people turn out to be 11% less productive doesn't make sense.
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by Dalkorian April 3, 2009 4:27 PM PDT
I'd forward this to my boss, but I'm afraid he'd fire me for slacking off. LOL.
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by chngan April 22, 2009 7:57 PM PDT
I think a number of people here are confused. The article clearly stated that those who browse are more productive than those who don't. Productivity increased 9% for browsing not more than 20% of working time is not an exaggeration, even possible, IMHO. I am attest to that as I am one of those who browse during working hours.
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As founder of SafeKids.com and co-director of ConnectSafely.org, Larry Magid has a special interest in Internet safety, including debunking myths like a predator behind every screen and messages like "be afraid, very afraid."

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