Archive for the 'Psychology' Category

20
Sep
09

Professor Greenfield and the internet

Previously I posted my response here to a fascinating debate concerning the internet and what it is doing to the human mind.  Professor Greenfield is an intriguing individual.  A few nights ago she was on Lateline again and gave another persuasive interview.  Of all the media and public debates I have observed recently this is by far one of the most interesting.

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11
Feb
09

Deliberate Practice

Reading the Weekend Australian I recently stumbled across this fascinating article about ‘deliberate practice’, a concept exploring the acquisition of expert performance.  This Freakonomics blog post summarises:

This means that, your level of natural talent notwithstanding, excellence is accomplished mainly through the tenets of deliberate practice, which are roughly:

1. Focus on technique as opposed to outcome.
2. Set specific goals.
3. Get good, prompt feedback, and use it.

Dr K Anders Ericsson is the authorative figure for this work.  An extract here:

For appropriate challenging problems experts don’t just automatically extract patterns and retrieve their response directly from memory. Instead they select the relevant information and encode it in special representations in working memory that allow planning, evaluation and reasoning about alternative courses of action (Ericsson & Lehmann, 1996). Hence, the difference between experts and less skilled subjects is not merely a matter of the amount and complexity of the accumulated knowledge; it also reflects qualitative differences in the organization of knowledge and its representation (Chi, Glaser & Rees, 1982).  Experts’ knowledge is encoded around key domain-related concepts and solution procedures that allow rapid and reliable retrieval whenever stored information is relevant.  

Continue reading ‘Deliberate Practice’




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