Some subscribers to TeamLearning-L might be interested in the post "Re: Confessions of a Public Speaker" [Hake (2010)].  The abstract reads:

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ABSTRACT:  Presentations at professional meetings are usually soporific. For almost half a century physicists such as K.K. Darrow, Jim Garland, and David Mermin wrote articles which failed to improve the quality of talks at meetings of the American Physical Society (APS) and the American Association of Physics Teachers (AAPT). But hope springs eternal. Perhaps the insightful Scott Berkun, coming out of Carnegie Mellon with a degree in Logic and Computation and a sterling record of publications, can stem the tide of mediocrity with his latest book "Confessions of a Public Speaker."
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To access the complete 16 kB post please click on  <http://tinyurl.com/yh3hujm>.

Richard Hake, Emeritus Professor of Physics, Indiana University
24245 Hatteras Street, Woodland Hills, CA 91367
Honorary Member, Curmudgeon Lodge of Deventer, The Netherlands.
<[log in to unmask]>
<http://www.physics.indiana.edu/~hake/>
<http://www.physics.indiana.edu/~sdi/>
<http://HakesEdStuff.blogspot.com/>
<http://iub.academia.edu/RichardHake>


REFERENCES [Tiny URL's courtesy <http://tinyurl.com/create.php>.]
Berkun, S. 2009. "Confessions of a Public Speaker." O'Reilly Media, publisher's information, including the table of contents and a short video are at <http://oreilly.com/catalog/9780596802004>. Note the "Browse Contents" feature. Amazon.com information at <http://tinyurl.com/y9z37ag>. Note the searchable "Look Inside" feature.  For two free chapters from the book see
<http://www.scottberkun.com/blog/2010/free-chapters-from-confessions/>.

Hake, R.R. 2010. "Re: Confessions of a Public Speaker," online on the OPEN! AERA-L archives at <http://tinyurl.com/yh3hujm>. Post of 25 Feb 2010 08:29:05-0800 to AERA-L,
Phys-L, PhysLrnR, and Net-Gold. The abstract is being sent to various discussion lists and is also online at 
<http://hakesedstuff.blogspot.com/2010/02/re-confessions-of-public-speaker.html> with a provision for comments.