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<sup>&nbsp; Article of the Month:&nbsp;&nbsp; June<br><p></p><font size=3><center>'''[[Commons Dilemma]]'''</center></font></sup>
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<sup>&nbsp; Article of the Month:&nbsp;&nbsp; July<br><p></p><font size=3><center>'''[[Dealing with Missing Data]]'''</center></font></sup>
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The commons dilemma, also known as the tragedy of the commons, is a type of social dilemma which was first discussed in Hardin’s (1968) “Tragedy of the Commons”. The dilemma is “whether to reduce their individual rates of consumption, sacrificing their own desires, freedom to consume, and perhaps personal well-being for the future of the group, or to continue using the resources at the same rate, risking the common pool”. There are many theories about the causes of the commons dilemma... &nbsp; [[Commons Dilemma | (More...)]]<span style="color:#afafaf;"><center>__________________________________</center></span>
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You have three basic options when dealing with missing values. Option 1 is to do nothing. Leave the data as is, with the missing values in place. This is the most frequent approach, for a few reasons. First, the number of missing values are typically small. Second, missing values are typically non-random. Third, even if there are a few missing values on individual items, you typically create composites... &nbsp; [[Dealing with Missing Data | (More...)]]<span style="color:#afafaf;"><center>__________________________________</center></span>
<center>[[Special:CommentForm | Nominate an article]]</center>
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Revision as of 03:02, 5 July 2010

What is PsychWiki? PsychWiki was created as a tool for psychologists (see list of uses). As a Wiki anyone with access to the site can edit, correct, or update the information. In a sense, PsychWiki is owned by the community, with input from anyone with experience and knowledge to share. Some of the pages are more developed than others, but no page is complete. If you feel like you'd like to add something to a particular page, please do so. To get things started, we plan on beginning with the topics listed below.

If you are new to PsychWiki, see How/Why Use PsychWiki? and the "Getting Started" box below.

psyc-hub

What is psychwiki psyc-hub?


►  Research

►  People

►  Psychology Concepts

►  Null Findings new

►  Virtual Lab Meeting new


my psychwiki
 

knowledgebase

What is psychwiki knowledgebase?


►  Professional Development

►  Research Process



Newpages.png "Social Roles"                                           (...more New Pages)
Newfeatures.png " Did You Know..." archive page"     (...more New Features)
Newedits.png "Recent Edits"                                       (...more Recent Edits)




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news and updates
  • April 23rd, 2010
    The site hit over 2,000,000 million page views today, which is one million page views within the last year.
  • March 25th, 2010
    According to PsychWiki statistics (see top right of this page) we hit and exceeded over 500 pages on PsychWiki!
  • September 17th, 2009
    Today marks the 2000th new registered user to PsychWiki. Although anyone can use/view PsychWiki without logging in, see here for the benefits of logging into PsychWiki.
  • September 6th, 2009
    The 'Main Page' has been redesigned and updated, including organizing the information around two focal points - knowledgebase, and psyc-hub.
  • May 12th, 2009
    PsychWiki reached over 1,000,000 page views today!
  • January 10th, 2009
    Today marks the 10,000th Page Edit. Thank you to all contributors, editors, and reviewers for your hard work and dedication to PsychWiki!
  • March 25th, 2008
    We added a new feature called "Short Titles" where you can use simpler article names in the URL as an alternative to the normal naming system. For example, the PsychWiki page on aggression is "http://www.psychwiki.com/wiki/Aggression" but you can also access it now by "aggression.psychwiki.com"
  • November 19th, 2007
    We installed a new footnote function so that you can use footnoting to make it easier for the reader to find relevant information. See the Help! section about how to footnote.

(past news and updated from the admins...)

If you have any questions or suggestions, you can contact us.

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 PsychWiki Statistics as of February 21
   Pages: 366    Page Edits: 32,283
   Users: 3,802   Page Views: 55,246,162


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fun facts updated weekly every Sunday

... your happiness level decreases from age 18 to 50, and then your happiness level increases until age 85, at which point you have more happiness than where you started at age 18, according to a research study published online May 17 in the Proceedings of the National Academy of Sciences. Read more in this New York Times article about which factors make people happy based upon age-related changes.                     → more "Did You Know"s...

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  Article of the Month:   July

Dealing with Missing Data
You have three basic options when dealing with missing values. Option 1 is to do nothing. Leave the data as is, with the missing values in place. This is the most frequent approach, for a few reasons. First, the number of missing values are typically small. Second, missing values are typically non-random. Third, even if there are a few missing values on individual items, you typically create composites...   (More...)
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