I want to talk about what I now think is one of the core challenges for designing large-scale social software. Let me offer a definition of social software, because it's a term that's still fairly amorphous. My definition is fairly simple: It's software t
With the caveats that Alexa’s data is not comprehensive—and even if they had perfect stats, “Alexa Rank” is still just one definition of popularity (a combination of reach and pageviews)—here’s the 10 most popular social media sites (with corr
Grigory Begelman, Philipp Keller, Frank Smadja; Technion Israel Institute of Technology, Citrin Informatik GmbH and RawSugar at Collaborative Tagging Workshop WWW 2006
M. Feuer, L. Towne, и R. Shavelson. Educational Researcher, 31 (8):
4(2002)“For example, when well-specified causal hypotheses can be formulated and randomization to treatment and control conditions is ethical and feasible, a randomized experiment is the best method for estimating effects” p. 8.