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[CBS]More Facebook friends means bigger brain? - Page 3

post #21 of 137
Thread Starter 
Quote:
Originally Posted by SIMPSONATOR View Post
My bad. I don't post news stories very often, so I had a feeling I was going to miss something. It seems to have been corrected. Thank you to whoever helped with that.

Quote:
Originally Posted by Clazman55 View Post
125 person sample size is enough. iirc 31 is the minimum sample size that can be used to generate statistically relevant data. The confidence level is only .85 but you can draw general conclusions.
I believe it's n>30. However, it seems that it's just an arbitrary number meant to help demonstrate an approximate normal distribution for the sample mean, such that it will look somewhat normal. It is more a rule of thumb than a static principle.

Either way, such a small sample just isn't very credible in demonstrating a correlation amongst the entire population of those attending college, and has no means of providing evidence that it represents people in general. Firstly, there are plenty of people who don't use Facebook. Secondly, even if Facebook was originally intended for college students, it no longer commands such a distinct society. If you really think about one's progression through life, social networking probably becomes less of a concern as people age, and thus, past friends may reside outside their limited social context, as they settle into a more tranquil and neutral lifestyle.
post #22 of 137
I think only having 33 friends on Facebook shows more intelligence than those who have many more friends than I. I can tell the differences between close friends, friends, and acquaintances.
post #23 of 137
People try to stay as smart as the people around them. But facebook increases the need to express everything depressing that comes into out head. As well as E-Peen
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Mishra
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post #24 of 137
What about the FaceBook Sluts? They have like 4000+ friends...
post #25 of 137
Quite a useless study for the reasons already stated.
post #26 of 137
Have they ran out of things to test?
    
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post #27 of 137
Bigger..

um... seriously? those guys want to be taken serious and they use the word... bigger?
post #28 of 137
Thread Starter 
I believe the main issue is not even how the study was conducted, but that they don't even offer conclusive evidence other than a supposed relative association in brain size.

Quote:
Originally Posted by Geraint Rees, clinical research fellow at University College London
While more gray matter in some areas of the brain can imply greater competence in some skills, greater mass in other regions may mean an individual is more easily distracted, Rees said.

...

“We don’t yet know whether more is good or not,” Rees told reporters in a telephone conference call. “What we do know is these changes in gray matter can be seen in a lot of situations.” - BusinessWeek
Honestly, I am more inclined to believe that this suggests that these people are more easily distracted..
Edited by Ikrin - 10/19/11 at 11:49pm
post #29 of 137
125 or over 6 billion....margin of error. I don't see what the fuss is about.
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post #30 of 137
Quote:
Originally Posted by SIMPSONATOR View Post
Huh. A True survey would include 1000+ subjects.
Other scientists have proven/Some argue that you need over 9000, actually.

Quote:
Originally Posted by one-shot View Post
125 or over 6 billion....margin of error. I don't see what the fuss is about.
You must be working at Stanford University, since you manage to explain difficult things so easily.
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