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  • December 29, 2010
  • 04:44 AM

What’s the actual size of your personal social network? Some numbers

by ---a in

In 1992 Robin Dunbar proposed a rough estimate of 150. But the "Dunbar's number" pretty much doubled in 1998, when Peter Killworth suggested a mean personal network size of 290. And in 2010 that number doubled again, as Matthew Salganik came up with 610 personal. So who says 1,200?... Read more »

Bickart, K., Wright, C., Dautoff, R., Dickerson, B., & Barrett, L. (2010) Amygdala volume and social network size in humans. Nature Neuroscience. DOI: 10.1038/nn.2724  

Killworth, P., Johnsen, E., Bernard, H. R., Shelley, G., & McCarty, C. (1990) Estimating the size of personal networks. Social Networks, 12(4), 289-312. DOI: 10.1016/0378-8733(90)90012-X  

McCormick, T., Salganik, M., & Zheng, T. (2010) How Many People Do You Know?: Efficiently Estimating Personal Network Size. Journal of the American Statistical Association, 105(489), 59-70. DOI: 10.1198/jasa.2009.ap08518  

  • December 29, 2010
  • 02:00 AM

The Obama administration sparks a renewed interest in climate change policy

by SAGE Insight in SAGE Insight

The Western Climate Initiative From State and Local Government Review Reducing greenhouse gas emissions is one of the greatest challenges the world will face in the coming decades. Renewed interest from the Obama administration along with continuing regional and local actions have raised awareness among US constituents and their representatives concerning this issue. Policymakers at [...]... Read more »

Warren, D., & Tomashefsky, S. (2009) The Western Climate Initiative. State and Local Government Review, 41(1), 55-60. DOI: 10.1177/0160323X0904100107  

  • December 28, 2010
  • 01:29 PM

Detecting facial emotions: Women vs Men

by Psychothalamus in Psychothalamus

Do women really recognize facial emotion better than men? Existing literature on the subject remains contradictory with some studies showing a female advantage (albeit with small effect sizes) and others failing to find any gender differences. Hoffman and colleagues (2010) suggest that expression intensity is an important factor mediating gender differences in recognizing emotions and that while women do recognize facial emotions better than men, this advantage only exists for subtle emotional f........ Read more »

  • December 28, 2010
  • 11:40 AM

Does music make you smarter?

by Henkjan Honing in Music Matters

The next few weeks there will be no new entries in this blog. However, I hope to see some of you on 19 January 2011 when Glenn Schellenberg will give a lecture at the Cognitive Science Center Amsterdam (CSCA) of the University of Amsterdam with the title Does music make you smarter? As the announcement states:'Music listening and music lessons have been claimed to confer intellectual advantages. The available evidence indicates that music listening leads to enhanced performance on a variety of ........ Read more »

SCHELLENBERG, E., & PERETZ, I. (2008) Music, language and cognition: unresolved issues. Trends in Cognitive Sciences, 12(2), 45-46. DOI: 10.1016/j.tics.2007.11.005  

  • December 27, 2010
  • 10:51 PM

Meme Theory Today (NSFW)

by Neurobonkers in Neurobonkers

A look at how meme theory can explain the wide spread misquotation of it's own "inventor" Richard Dawkins.... Read more »

  • December 27, 2010
  • 06:58 PM

Understand Juror Bias, But Bet On The Evidence

by Dr. Ken Broda-Bahm in Persuasive Litigator

By: Dr. Ken Broda-Bahm - As closing arguments finished in a recent employment jury trial that I sat through, the defense team and I felt, predictably, that we had the overwhelming weight of evidence on our side of the case. But still, we worried as the jury filed in to deliberate. We had faced a Plaintiff's case based on the single simple appeal that a big heartless company will always try to squash the little guy and cover up its tracks in the process, and supported that narrative with nothing ........ Read more »

Joshua Warren, Deanna Kuhn . (2010) How do jurors argue with one another?. Judgment and Decision Making, 5(1), 64-71. info:/

  • December 27, 2010
  • 07:02 AM

Mistrials due to lawyers making faces, internet misconduct & more

by Doug Keene in The Jury Room

Even though we have been hearing about (and writing about) jurors and the internet for a several years now—it was still something of a shock to see the ABA piece identifying 90 verdicts challenged due to jurors’ alleged internet misconduct. We wrote an article on Jurors and the Internet in The Jury Expert back in November [...]

Related posts:It’s not just jurors who are doing it
Educating Jurors: How NOT to start deliberations
Deliberations & the role of the presiding juror
... Read more »

CATHERINE C. ECKEL, ENRIQUE FATAS, & RICK WILSON. (2010) Cooperation and Status in Organizations. Journal of Public Economic Theory, 12(4). info:/

  • December 27, 2010
  • 06:35 AM

Does Peer Review Work?

by Neuroskeptic in Neuroskeptic

Scientific peer review is based on the idea that some papers deserve to get published and others don't.By asking a hand-picked team of 3 or 4 experts in the field (the "peers"), journals hope to accept the good stuff, filter out the rubbish, and improve the not-quite-good-enough papers.This all assumes that the reviewers, being experts, are able to make a more or less objective judgement. In other words, when a reviewer says that a paper's good or bad, they're reporting something about the paper........ Read more »

  • December 26, 2010
  • 10:03 PM

England, Prepare to be Brainwashed

by Neurobonkers in Neurobonkers

A review of a study on the correlation between FOX news consumption and levels of misinformation in light of news that the owner of FOX news is planning to by the SKY news agency in the UK.... Read more »

CLAY RAMSAY, STEVEN KULL, EVAN LEWIS, & STEFAN SUBIA. (2010) Misinformation and the 2010 Election. WORLDPUBLICOPINION.ORG. info:/

  • December 24, 2010
  • 07:07 AM

Simple Jury Persuasion: Are those folks in the jury box thinkers or feelers?

by Rita Handrich in The Jury Room

Here’s a nice and very simple persuasion tactic first presented at PsyBlog in their ongoing series on 10 forms of persuasion. They cite the recent work of Nicole Mayer & Zakary Tormala (2010) and discuss the natural tendency we have to see the world (and thus describe it) via either thinking (useless or useful) or [...]

Related posts:Simple Jury Persuasion: I’m too smart to fall for that!
Simple Jury Persuasion: You may want to disagree with this post
Simple Jury Persuasion: Don’t co........ Read more »

Mayer ND, & Tormala ZL. (2010) "Think" versus "feel" framing effects in persuasion. Personality and social psychology bulletin, 36(4), 443-54. PMID: 20363901  

  • December 23, 2010
  • 09:08 PM

Three Cheers for Failure!

by David Berreby in Mind Matters

Last week I vowed to pay more attention to replication in psychology experiments. Repeated experiments are an important test of whether a finding is "really out there" or an accident, so, as a number of psychologists have been saying lately to the public, it is kind of a problem that many ...Read More
... Read more »

Jennifer V. Fayard, Amandeep K. Bassi, Daniel M. Bernstein, & Brent W. Roberts. (2009) Is cleanliness next to godliness? Dispelling old wives’ tales: Failure to replicate Zhong and Liljenquist (2006). Journal of Articles in Support of the Null Hypothesis, 6(2), 21-29. info:other/1539-8714

  • December 23, 2010
  • 10:59 AM

Depression Treatment Increased From 1998 to 2007

by Neuroskeptic in Neuroskeptic

A paper just out reports on the changing patterns of treatment for depression in the USA, over the period from 1998 to 2007.The headline news is that increased: the overall rate of people treated for some form of "depression" went from 2.37% to 2.88% per year. That's an increase of 21%, which is not trivial, but it's much less than the increase in the previous decade: it was just 0.73% in 1987.But the increase was concentrated in some groups of people.Americans over 50 accounted for the bulk of ........ Read more »

Marcus SC, & Olfson M. (2010) National trends in the treatment for depression from 1998 to 2007. Archives of general psychiatry, 67(12), 1265-73. PMID: 21135326  

  • December 23, 2010
  • 09:43 AM

Top-down vs bottom-up approaches to cognition: Griffiths vs McClelland

by Sean Roberts in A Replicated Typo 2.0

Two articles to be published in Trends in Cognitive Sciences debate the merits of approaching cognition from different ends of the microscope. The central issue is which approach is the most productive for explaining phenomena in cognition. Structured probabilistic takes a 'top-down' approach while Emergentism takes a 'bottom-up' approach.... Read more »

Griffiths, T., Chater, N., Kemp, C., Perfors, A., & Tenenbaum, J. (2010) Probabilistic models of cognition: exploring representations and inductive biases. Trends in Cognitive Sciences, 14(8), 357-364. DOI: 10.1016/j.tics.2010.05.004  

McClelland, J., Botvinick, M., Noelle, D., Plaut, D., Rogers, T., Seidenberg, M., & Smith, L. (2010) Letting structure emerge: connectionist and dynamical systems approaches to cognition. Trends in Cognitive Sciences, 14(8), 348-356. DOI: 10.1016/j.tics.2010.06.002  

Zeil J, Hofmann MI, & Chahl JS. (2003) Catchment areas of panoramic snapshots in outdoor scenes. Journal of the Optical Society of America. A, Optics, image science, and vision, 20(3), 450-69. PMID: 12630831  

  • December 23, 2010
  • 02:00 AM

Why people trying to quit smoking should avoid watching Mad Men: The influence of on-screen smoking cues

by SAGE Insight in SAGE Insight

Attentional bias in smokers: exposure to dynamic smoking cues in contemporary movies   From Journal of Psychopharmacology  Tobacco use is still prevalent in films, this study explores how people respond to on-screen smoking images by examining eye movement of smokers and non-smokers while watching a movie clip, using eye-tracking technology. This research reveals that smokers [...]... Read more »

  • December 22, 2010
  • 05:26 AM

Diamonds are forever – suppliers not

by Jan Husdal in

Today I am taking a closer look at how buyer-supplier relationships evolve over time. This is the buyer-supplier relationship life cycle, where supply chains are dynamic and  where supply chain partners are constantly changing: New suppliers are added, others are  contractually terminated, cease to exist or become obsolete. Needless to say, nurturing and honing these relationships also improves supply chain performance. However, as Stephan Wagner points out in his recently published article on........ Read more »

Wagner, S. (2011) Supplier development and the relationship life-cycle. International Journal of Production Economics, 129(2), 277-283. DOI: 10.1016/j.ijpe.2010.10.020  

  • December 22, 2010
  • 02:00 AM

Why ‘chavvy’ external illuminated Christmas displays are embraced by the working class

by SAGE Insight in SAGE Insight

Illuminations, class identities and the contested landscapes of Christmas From Sociology In the last two decades, illuminating the outside of a house with multi-colored lights has become a popular British Christmas practice. Whereas in the US these illuminations typically cover large middle-class homes, in Britain they have been largely adopted within working-class neighborhoods.  This article investigates [...]... Read more »

  • December 21, 2010
  • 03:29 AM

My article « A History of Virulence » finally published in Body and Society

by ---a in

Sage journal Body and Society vol 16, n. 4 is finally out! Pardon my enthusiasm, but this issue features my 30-page essay A History of Virulence: The Body and Computer Culture in the 1980s: a killer mix of hackerdom, virality and computer nostalgia that also happens to be IMHO one hell of a contribution to [...]... Read more »

  • December 21, 2010
  • 02:00 AM

Love ballads leave women more open to romance

by SAGE Insight in SAGE Insight

‘Love is in the air’: Effects of songs with romantic lyrics on compliance with a courtship request From Psychology of Music If you’re having trouble getting a date, French researchers suggest that picking the right soundtrack could improve the odds. There’s plenty of research indicating that the media affects our behavior but this study specifically [...]... Read more »

  • December 20, 2010
  • 07:02 AM

Women and true crime tales of rape, murder & serial killers

by Rita Handrich in The Jury Room

I remember being fascinated by Truman Capote’s In Cold Blood.  And during my maternity leave after my first child was born, I watched most of the Jeffrey Dahmer trials on CNN aware of the irony inherent in rocking my sleeping newborn while tracking the testimony of Park Dietz.  So, naturally, when I saw the new [...]

Related posts:Men married to rich women are more likely to cheat
Keep your eye on this one: A Depravity Scale
New research on men: What do we know now?
... Read more »

  • December 18, 2010
  • 02:12 PM

State-by-State FST(ish) Values: The Structure of Racial Diversity in America

by Jon Wilkins in Lost in Transcription

So, in the world of population genetics, as in the real world, people are often interested in diversity, and in how that diversity is distributed. In biological contexts, quantifying these things is important because it gives us insight into the processes – like reproduction, migration, selection, etc. – responsible for generating the observed patterns of diversity.

Here I look at how racial diversity is apportioned among counties (or county equivalents) in each of the 50 states, using two ........ Read more »

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