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David McGavock

The Evolution of Cooperation* - 1 views

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evolution cooperation Axelrod prisoners dilemma defection

shared by David McGavock on 31 Mar 14 - No Cached
  • To find a good strategy to use in such situations, I invited experts in game theory to submit programs for a computer Prisoner’s Dilemma tournament – much like a computer chess tournament.
  • the winner was the simplest of all candidates sub- mitted. This was a strategy of simple reciprocity which cooperates on the first move and then does whatever the other player did on the previous move. Using an American colloquial phrase, this strategy was named Tit for Tat.
  • face of an uncalled-for defection by the other, forgiveness after responding to a provocation, and clarity of behavior so that the other player can recognize and adapt to your pattern of action.
  • ...13 more annotations...
    • David McGavock
      David McGavock on 31 Mar 14
       
      These conditions are core.
  • What made this mutual restraint possible was the static nature of trench warfare, where the same small units faced each other for extended periods of time. The soldiers of these opposing small units actually violated orders from their own high commands in order to achieve tacit cooperation with each other
  • data from these tournaments reveals four properties which tend to make a strategy successful: avoidance of unnecessary con- flict by cooperating as long as the other player does, provocability in the
  • the individuals involved do not have to be rational: The evolutionary process allows successful strategies to thrive, even if the players do not know why or how. Nor do they have to exchange messages or commit- ments: They do not need words, because their deeds speak for them. Likewise, there is no need to assume trust between the players: The use of reciprocity can be enough to make defection unproductive. Altruism is not needed: Successful strategies can elicit cooperation even from an egoist. Finally, no central authority is needed: Cooperation based on reciprocity can be self-policing
  • An indefinite number of interactions, therefore, is a condition under which cooperation can emerge
    • David McGavock
      David McGavock on 31 Mar 14
       
      This condition is especially important in the case of egoists. Relationship over time.
  • So there must be some clustering of individuals who use strategies with two properties: The strategy cooperates on the first move, and discriminates between those who respond to the cooperation and those who do not
    • David McGavock
      David McGavock on 31 Mar 14
       
      The check for reciprocation is a bit of evidence that the other side knows the value of the move of cooperation; that they won't be abandoned.
  • Whether the players trust each other or not is less important in the long run than whether the conditions are ripe for them to build a stable pattern of cooperation with each other
  • It turns out that if one waits to respond to uncalled-for defections, there is a risk of sending the wrong signal. The longer defections are allowed to go unchallenged, the more likely it is that the other player will draw the conclusion that defection can pay.
    • David McGavock
      David McGavock on 31 Mar 14
       
      Immediate feedback appears to be important in many domains.
  • The foundation of cooperation is not really trust, but the durability of the relationship.
  • Waiting for probes to accumulate only risks the need for a response so large as to evoke yet more trouble.
    • David McGavock
      David McGavock on 31 Mar 14
       
      I have found that testing limits is a factor in working with children and adults. We are alert to the boundaries.
  • For this reason, the only arms control agreements which can be stable are those whose violations can be detected soon enough. The critical requirement is that violations can be detected before they can accumulate
  • Therefore, the advice to players of the Prisoner’s Dilemma might serve as good advice to national leaders as well: Don’t be envious, don’t be the first to defect, reciprocate both cooperation and defection, and don’t be too clever.
  • We are used to thinking about competitions in which there is only one winner, competitions such as football or chess. But the world is rarely like that. In a vast range of situations, mutual cooperation can be better for both sides than mutual defection. The key to doing well lies not in overcoming others, but in eliciting their cooperation
    • David McGavock
      David McGavock on 31 Mar 14
       
      Herein lies another key... that we have a cooperative (win-win) attitude and understanding of the "game". We see our survival as tied with not exclusive of the fate of the "other".
  • David McGavock on 31 Mar 14
     
    We are used to thinkingabout competitions in which there is only one winner, competitions such asfootball or chess. But the world is rarely like that. In a vast range ofsituations, mutual cooperation can be better for both sides than mutualdefection. The key to doing well lies not in overcoming others, but ineliciting their cooperation
David McGavock

Use Tech to Get Organized: The 100 Best Tools, Websites, Apps and More | DailyTekk - 0 views

dailytekk.com/...t-tools-websites-apps-and-more

tools technology 2013 notebooks journals mind-mapping collaboration productivity

shared by David McGavock on 24 Aug 13 - No Cached
  • David McGavock on 24 Aug 13
     
    Top 100 tech tools by category. Certainly some of my favorites in these lists. Shows how many options there are. More than I'm familiar with.
Charles van der Haegen

Shareable: About Us - 0 views

shareable.net/about

sharing shareable world story of sharing cohousing potlucks clothing swaps car sharing green

shared by Charles van der Haegen on 30 May 11 - No Cached
  • Charles van der Haegen on 30 May 11
     
    About Us Shareable is a nonprofit online magazine that tells the story of sharing. We cover the people, places, and projects bringing a shareable world to life. And we share how-tos so you can make a shareable world real in your life. In a shareable world, things like car sharing, clothing swaps, childcare coops, potlucks, and cohousing make life more fun, green, and affordable. When we share, not only is a better life possible, but so is a better world. The remarkable successes of Zipcar, Wikipedia, Kiva, open source software, Freecycle, and Creative Commons show this. They tell a hopeful story about human nature and our future, one we don't hear enough in the mainstream media. They show what's possible when we share. They show that we don't act merely for our own good, but go out of our way to contribute to the common good. They show that we can solve the social and environmental crises we face, and thrive as never before. They show that a new world is emerging where the more you share the more respect you get, and where life works because everyone is motivated to help each other. We tell this story because a shareable world might be just what's needed to enjoy life to the fullest today while creating a better tomorrow. And it's being built by people from all walks of life right now. Shareable is your invitation to join these innovators today. Want to start sharing? Check out our top 20 how-to share posts and our complete index of how-to share posts. Want to get involved in Shareable? You can contribute stories, feedback, and money. You can follow us on Twitter Facebook, and Identi.ca and share our stories with friends. You can register and join discussions about your favorite posts. You can subscribe to our e-mail list. We have more ideas for getting involved here. Want to know more about sharing? For the big picture on sharing, check out the following features: "Four Degrees of Sharing," by Janelle Orsi; "Ten Ways our World is Becoming More Share
Charles van der Haegen

Geoff Mulgan: A short intro to the Studio School - YouTube - 2 views

www.youtube.com/watch

shared by Charles van der Haegen on 28 Sep 11 - No Cached
  • Charles van der Haegen on 28 Sep 11
     
    "Some kids learn by listening; others learn by doing. Geoff Mulgan gives a short introduction to the Studio School, a new kind of school in the UK where small teams of kids learn by working on projects that are, as Mulgan puts it, "for real." TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes. Featured speakers have included Al Gore on climate change, Philippe Starck on design, Jill Bolte Taylor on observing her own stroke, Nicholas Negroponte on One Laptop per Child, Jane Goodall on chimpanzees, Bill Gates on malaria and mosquitoes, Pattie Maes on the "Sixth Sense" wearable tech, and "Lost" producer JJ Abrams on the allure of mystery. TED stands for Technology, Entertainment, Design, and TEDTalks cover these topics as well as science, business, development and the arts. Closed captions and translated subtitles in a variety of languages are now available on TED.com, at http://www.ted.com/translate. Category: People & Blogs Tags: TED TEDTalks TEDGlobal Geoff Mulgan Creativity Culture Design Education Work learning learn Studio School projects active learning participatory License: Standard YouTube License 223 likes, 4 dislikes Top Comments 1) 0:15 (to skip intro) 2) I'm sending this to my all my professors and even my old high school teachers too! More people need to hear about this idea! It may not be perfect now, but with more minds working together, it can be fine-tuned into something to suite ALL students (not just those in Media and Arts). Thanks TED! jerrylittlemars 14 hours ago 28 @merkowaty1 additional: just about ANYTHING is going to be more fun than traditional school as we have them today. ion010101 13 hours ago 6 see all All Comments (58) Reactions (2) Respond to this video... we do indeed learn by doing yet we are watchin
  • Charles van der Haegen on 28 Sep 11
     
    This is a really great initiative, worth watching. Sometimes I feel a bit unsettled, so much things happening in every corner of society at large... accelerating at such a fast pace... Whare, When, will this lead us towards... What can I do?
Alex Grech

How Hashtagging the Web Could Improve Our Collective Intelligence - 0 views

mashable.com/...hashtag-web-data

shared by Alex Grech on 13 Nov 11 - No Cached
  • Why all the fuss over tweets? Twitter hosts valuable, communal conversation in real-time. And Twitter trends become more powerful the more users contribute to the dialogue. Finally, Twitter allows the chatter of millions to be parsed into channels (hashtags) of real-time conversation that covers widely varying topics. Jokes, rumors, political movements, pop culture fanaticisms, the collective screaming of teenagers — they all bubble to the surface and shift and change like an oil slick, much like a collective human consciousness.
  • One thing that makes Twitter so powerful is its use of a standard language: hashtags. Any hashtagged tweet is automatically linked to every other tweet that shares the same tag. This allows for consistent dialogue and measurement. However, the Internet as a whole is not a very consistent medium. Patterns emerge in specific areas of the web, but no uniform underlying structure exists to merge these patterns. Content may go viral or score a high page rank, but it doesn’t easily connect to related topics or encourage a larger conversation. It is a frustrating vestige of print culture that my web curation should be limited by my search ability.
  • Twitter can gather direct, mass conversation into subject categories like #watermelon, but the conversation is limited by the short form nature of the platform. If longer form methods of online communication could be aggregated into a similar form of direct conversation, it would serve both spectators and authors alike. For that to happen, citation must be standardized. Current citation methods like hashtags are rarely, if ever, exhaustive, and they often take on the subjective viewpoint of the author or sharer. Imagine the level of constructive debate and creativity that we might achieve when we organize and bucket all web content into Twitter-like categories. Imagine the kinds of things we might learn about our collective culture.
David McGavock

Create more than you consume  - Medium - 1 views

medium.com/...-than-you-consume-9c1bc89dc71d

Infotention thinking tools learning culture creation consumption Learning pyramid tinker

shared by David McGavock on 24 Jun 14 - No Cached
  • The Learning Pyramid states that people retain:90% of what they learn when they teach someone else/use immediately.75% of what they learn when they practice what they learned.50% of what they learn when engaged in a group discussion.30% of what they learn when they see a demonstration.20% of what they learn from audio-visual.10% of what they learn when they’ve learned from reading.5% of what they learn when they’ve learned from lecture.
  • One of the studies reviewed by our lab was on meditation and how being in the moment decreases the noise in your brain, leading to improved scores on working memory and intelligence tests.
  • When you tie an emotion to an experience, a hormone is released that greases the wheels at certain chemical locations in the brain where nerves rewire to form new memory circuits:
  • ...6 more annotations...
  • When you consume in a passive way, by skimming and moving to the next thing, you’re at a learning disadvantage.
  • When I was in University, I worked at a psychology research center under the direction of one of Time Magazine’s Top 100 most influential people, Dr. Richie Davidson.
  • Self-taught individuals, also called autodidacts, are masters of retaining information largely because of their ability to reflect and put into action most of what they consume.
  • Instead of just trying to get to the end of your Twitter feed or articles that you saved for later, read each article as if you would need to tell a friend about it after.
  • 1-page summary immediately after every chapter he reads.
  • Nothing will help you absorb more of what you consume than trying to do. It’s through the mistakes made where the real learning happens.
  • David McGavock on 24 Jun 14
     
    Great article on creation, consumption, learning, memory
David McGavock

Do Babies Have a Moral Compass? Debate Heats Up | LiveScience - 0 views

www.livescience.com/2399-babies-moral-compass.html

babies moral compass debate neuroscience Cooperation

shared by David McGavock on 06 May 14 - No Cached
  • In the original study, conducted by Yale researchers in 2007, groups of 6-month-olds and 10-month-olds watched a puppet show with neutral wooden figures, where one figure, the climber, was trying to get up a hill. In one scenario, one of the other figures, called the helper, assisted the climber up the hill. In the other scenario, a third figure, called the hinderer, pushed the climber down. Babies were then presented with the helper and hinderer figures so they could pick which one they preferred, and 14 out of 16 babies in the older group (10 months old) and all 12 of the 6-month-olds picked the helper. The study, which was published in the journal Nature, seemed to imply that infants could be good judges of character. [In Photos: How Babies Learn]
  • discrepancies would seem to make it tricky for infants to know that the climber needed help, and if they did, for them to know that the helper was helping. As such, it's possible the infants in the new study looked to these other variables (collisions and bounces) to make their decisions, Hamlin suggests.
  • Even if flaws did exist in their study, Hamlin and her colleagues point to various independent studies, one of which uses a similar setup without the "bouncing" of the climber, that support the "babies have a moral compass" theory. The researchers go on to note they have replicated their findings, that infants prefer prosocial others, in a range of social scenarios that don't include climbing, colliding or bouncing. Hamlin's other studies have shown babies are good judges of character.
  • ...1 more annotation...
  • "On the help and hinder trials, the toys collided with one another, an event we thought infants may not like," lead researchers Damian Scarf said in a statement from New Zealand's University of Otago. "Furthermore, only on the help trials, the climber bounced up and down at the top of hill, an event we thought infants may enjoy."
  • David McGavock on 06 May 14
     
    "An experiment five years ago suggested that babies are equipped with an innate moral compass, which drives them to choose good individuals over the bad in a wooden puppet show. But new research casts doubt on those findings, demonstrating that a baby's apparent preference for what's right might just reflect a fondness for bouncy things."
Rem Comp

Remote Online PC Support I Can Rely On - 1 views

I availed of the remote computer support services of Remote Computer Support Site because their services are proven to be very fast and accurate. They have expert online computer tech professional...

remote computer support

started by Rem Comp on 29 Sep 11 no follow-up yet
shai edrote

Troubleshooting and Fixing Computers - 2 views

My computer often experiences network trouble. It does not only cause me inconvenience but, it also causes delays in my work as well. I often hire computer technicians to help me troubleshoot my co...

Fix Computer

started by shai edrote on 12 Sep 11 no follow-up yet
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