|
Source : Science
Annotations:
-
Both experiments found that subjects who witnessed a criminal event and were tested about it immediately afterward were more susceptible to having misinformation -- or false information -- instilled in their later recall of the event than non-tested subjects. The researchers call that effect "retrieval-enhanced suggestibility," or RES.
-
"There are many cases in which misinformation is introduced unknowingly to people," said Chan, an assistant professor of psychology at Iowa State. "It could be police, or through friends, or a number of sources. And people can confuse their memories, even if it's information not specifically pertaining to that witnessed case. For example, if you saw a bank robbery and later saw a movie depicting bank robberies, whatever you remember from that movie -- which has nothing to do with the real-life case -- can interfere with your ability to recall the real-life case.
-
"So misinformation comes from all sorts of sources, especially nowadays with TV news reports trying to compete with people's accounts on Twitter with what they just saw,"
-
All participants then listened to an eight-minute audio narrative that summarized the video and contained some misinformation about the crime they witnessed in the video. All the subjects returned a week later to take the same recall test. The researchers found that the tested subjects were more likely to recall the misinformation than the non-tested participants.
-
"The most surprising finding from this line of research was that taking the immediate test, or initially recalling that event, somehow increased your susceptibility to misleading information later," Chan said. "That was definitely not expected. In fact, my collaborators and I expected the opposite based on what we know from the burgeoning cognitive psychology literature on the testing effect."
-
In both experiments, the researchers also found that the subjects who were initially tested and not provided the misinformation recalled the event's details more accurately than the non-tested subjects one week later. So the initial test reinforced their memory of the event.
-
"One really great thing about testing for memory is that not only does it enhance memory for the original information, it also lets you learn new information better,"
-
"I think that because of all this new misinformation that's floating around, research in this area has even more real world relevance nowadays,"
Tags:
aaaliens
science
biais cognitifs
2011
pro
Source : Science
World of Warcraft, Google et Facebook cités comme références pour les chercheurs de ce qu'il faut faire en terme de visualisation de données.
Annotations:
-
The problem with the current use of visualization in the scientific community, according to Fox and Hendler, is that when visualizations are actually included by scientists, they are often an end product of research used to simply illustrate the results and are inconsistently incorporated into the entire scientific process. Their visualizations are also static and cannot be easily updated or modified when new information arises.
-
as scientists create more and more data with more powerful computing systems, their ability to develop useful visualizations of that data will become more time consuming and expensive with the traditional approaches.
-
Fox and Hendler ask the scientific community to take some important lessons from the Web.
-
Simple Web-based visualization tool kits allow users to easily create maps, charts, graphs, word clouds, and other custom visualizations at little to no cost and with a few clicks of a mouse. In addition, Web links and RSS feeds allow visualizations on the Web to be updated with little to no involvement from the original developer of the visualization, greatly reducing the time and cost of the effort, but also keeping it dynamic.
-
In addition to the ease of using and developing visualization on the Web, visualizations on the Web can also be easily modified, updated, customized, and recreated by other users thanks to the use of Uniform Resource Identifiers. This "linking" of data is a key feature of the new vision that Fox and Hendler outline.
-
Fox and Hendler urge scientists involved in such vital scientific projects to take some tips from large Web companies like Google and Facebook, and even massive online communities such as World of Warcraft. These large companies use new data integration approach such as NoSQL, "big data," and scalable linked data to rapidly expand and maintain their capabilities.
Tags:
ib
aaaliens
visualisation
science
cartographie d'information
analysis
2011
pro
Plus d'articles (27 articles sur 4 pages):
|
|
|
RSS 1.0, RSS 2.0, Atom, Commentaires, Textes,