John Medina - source: John Medina's web site
"Toss your PowerPoint presentations. It's (sic) text-based (nearly 40 words
per slide), with six hierarchical levels of chapters and subheads — all
words. Professionals everywhere need to know about the incredible
inefficiency of text-based information and the incredible effects of
images. Burn your current PowerPoint presentations and make new ones."
Amended 22/2/2009 and 2/3/2009
I enjoyed John Medina's excellently implemented, thoroughly referenced, browsable and entertaining Brain Rules: 12 Principles for Surviving and Thriving at Work, Home, and School partly because it complemented some of my prejudices.
I did my teacher-training in 1976-1977, and the proportion of the
1-year full time course devoted to the science of learning was small.
(Sure, 30 years ago less was known about the subject than is the
case now.)
Medina's web site could not have been produced in 1976 (either technically, or from the point of view of its science), but one would hope that teachers and others will be making a point of using it now, whilst retaining plenty of the natural scepticism we evolved for life as hunter gatherers. (One of Medina's points is that our brains and bodies evolved to make us fitted for life as hunter gatherers, and his 12 "rules" are built on that assumption.) One thing Medina's slick web site would benefit from, though it would be costly to manage, is some space for (peer reviewed) challenges to the science that underpins his "rules". For a 2 March 2009 overview of Medina's site see this post by Donald Clark.
Related posts:
Get the lingo. Financial Times article about Twitter
"Twitter users post short messages, either from a personal computer or mobile phone. These are usually made public, though they can be restricted to selected people. Anyone who wants to track a Twitterer’s public “tweets” can choose to become a “follower”: the “stream” of messages is then mixed in with streams from all the other people that are being followed, whether just a small number of friends or a large group made up of celebrities, politicians and others who have rushed to get a voice in this new domain."
I do not use Twitter, other than occasionally coming across other people's use of it when searching the Web. Just as blogging used to leave me cold, so does Twitter.......
This longish piece by Richard Waters, Chris Nuttall and David Gelles, in the Financial Times, follows the US start-up's recent success in raising £24m in venture capital. The article gives a coherent description of the service and the underlying reasons for its success, and provides non-users with an overview of the Twitter "lingo". [I've included a chart from the article despite its the lack of any scale for the y axis.) The piece also manages to include a sidebar picking up on Baroness Professor Susan Greenfield's views - which are everywhere - about being active online causing brain damage.
Posted on 27/02/2009 in News and comment | Permalink | Comments (3)
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