recentpopularlog in

tsuomela : accuracy   28

The Perils of Aging: A Problem for Citizen Science?
"Errors creep into bird population surveys as volunteers get older, new study says."
data-curation  citizen-science  age  volunteer  accuracy  quality 
august 2014 by tsuomela
Opening a can of data-sharing worms | Absolutely Maybe, Scientific American Blog Network
"Timothy Vines and colleagues did a study on how the reproducibility of data sets in zoology changes through time. They gathered 516 papers published between 1991 and 2011. And then they tried to track the data down. Even tracking down the authors was a challenge, never mind the actual data. As the years went by, a dwindling minority of papers were accompanied by author email addresses that still functioned. Vines’ luck with data was even worse. In the end, only 37% of the data even from papers in 2011 were still findable and retrievable. "
data-sharing  data  management  science  reproduction  accuracy 
september 2013 by tsuomela
PLOS ONE: Verification in Referral-Based Crowdsourcing
"Online social networks offer unprecedented potential for rallying a large number of people to accomplish a given task. Here we focus on information gathering tasks where rare information is sought through “referral-based crowdsourcing”: the information request is propagated recursively through invitations among members of a social network. Whereas previous work analyzed incentives for the referral process in a setting with only correct reports, misreporting is known to be both pervasive in crowdsourcing applications, and difficult/costly to filter out. A motivating example for our work is the DARPA Red Balloon Challenge where the level of misreporting was very high. In order to undertake a formal study of verification, we introduce a model where agents can exert costly effort to perform verification and false reports can be penalized. This is the first model of verification and it provides many directions for future research, which we point out. Our main theoretical result is the compensation scheme that minimizes the cost of retrieving the correct answer. Notably, this optimal compensation scheme coincides with the winning strategy of the Red Balloon Challenge."
crowdsourcing  incentives  incentive-centered-design  recruitment  volunteer  citizen-science  accuracy  verification  reliability 
october 2012 by tsuomela
Rise in Scientific Journal Retractions Prompts Calls for Reform - NYTimes.com
"Ms. Bradford, of Science magazine, agreed. “I would agree that a scientist’s career advancement should not depend solely on the publications listed on his or her C.V.,” she said, “and that there is much room for improvement in how scientific talent in all its diversity can be nurtured.”

Even scientists who are sympathetic to the idea of fundamental change are skeptical that it will happen any time soon. “I don’t think they have much chance of changing what they’re talking about,” said Dr. Korn, of Harvard. "
science  sts  peer-production  incentives  academia  publisher  structure  social  reform  retractions  accuracy 
april 2012 by tsuomela
Assessing citizen science data quality: an invasive species case study - Crall - Conservation Letters - Wiley Online Library
An increase in the number of citizen science programs has prompted an examination of their ability to provide data of sufficient quality. We tested the ability of volunteers relative to professionals in identifying invasive plant species, mapping their distributions, and estimating their abundance within plots. We generally found that volunteers perform almost as well as professionals in some areas, but that we should be cautious about data quality in both groups. We analyzed predictors of volunteer success (age, education, experience, science literacy, attitudes) in training-related skills, but these proved to be poor predictors of performance and could not be used as effective eligibility criteria. However, volunteer success with species identification increased with their self-identified comfort level. Based on our case study results, we offer lessons learned and their application to other programs and provide recommendations for future research in this area.
citizen-science  biology  ecology  data-collection  accuracy  research 
july 2011 by tsuomela
Lies, Damned Lies, and Medical Science - Magazine - The Atlantic
"Much of what medical researchers conclude in their studies is misleading, exaggerated, or flat-out wrong. So why are doctors—to a striking extent—still drawing upon misinformation in their everyday practice? Dr. John Ioannidis has spent his career challenging his peers by exposing their bad science."
medicine  health  research  statistics  accuracy  science 
march 2011 by tsuomela
Meteorologists review accuracy of predictions | meteorologists, predictions, accuracy - Forecast aftermath - The Telegraph
"Predicted to be a storm of historic proportions, Tuesday’s snow and ice storm fell short of expectations, and meteorologists couldn’t be happier."
meteorology  prediction  weather  science  success  failure  accuracy 
february 2011 by tsuomela
The George Will Scandal
If a major media outlet can't even correct facts about global warming, is it still socially relevant?
pundits  commentary  news  media  science  global-warming  weblog  credibility  accuracy 
february 2009 by tsuomela
The Art of Wikigroaning
First, find a useful Wikipedia article that normal people might read. For example, the article called "Knight." Then, find a somehow similar article that is longer, but at the same time, useless to a very large fraction of the population. In this case, we
wikipedia  online  culture  geek  reference  accuracy  information  literacy  games 
june 2007 by tsuomela
Wikipedia:Neutral point of view - Wikipedia, the free encyclopedia
The neutral point of viewThe neutral point of view is a means of dealing with conflicting views. The policy requires that, where there are or have been conflicting views, these should be presented fairly. None of the views should be givenundue weightor
wiki  wikipedia  accuracy  governance  policies  intelligence  collective 
november 2006 by tsuomela
Wikipedia:Verifiability - Wikipedia, the free encyclopedia
The policy:Articles should contain only material that has been published by reliable sources.Editors adding new material to an article should cite a reliable source, or it may be challenged or removed by any editor.The obligation to provide a reliable s
wiki  wikipedia  collective  intelligence  accuracy  governance  policies 
november 2006 by tsuomela
Wikipedia:Policies and guidelines - Wikipedia, the free encyclopedia
Key policiesYou don't need to read every Wikipedia policy before you contribute. However, the following policies are particularly important to the project, and the sooner you understand and use them, the better:Wikipedia is anencyclopedia.Its goals go n
wikipedia  wiki  policies  collective  intelligence  accuracy 
november 2006 by tsuomela

Copy this bookmark:





to read