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Topic: Re: lecturing
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Ed Dickey

Posts: 96
Registered: 12/4/04
Re: lecturing
Posted: Jun 30, 1995 10:22 AM
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Harv Becker said:
>Don't you
>find it strange that when you go to a seminar on how to employ cooperative
>learning in the classroom, we are lectured to!!!

Harv makes a good point here.

I went to a presentation by an IBM research scientist who began with data
showing that 80% of information imparted by lecture is forgotten by the
learner within 24 hours (I don't have a reference for this and, I believe,
this was the scientist's own unpublished finding). She went on to explain
how much more effective interactive multimedia was (especially when using
IBM software and hardware :-)) and produced data to support this.

Ironically, the entire 90 minute presentation was in lecture format with
only a 5 minute demo of what interactive multimedia looked like. It seemed
to never occur to the presenter that her audience was going to lose most of
what she said within a few hours (I think I only retained the 2% I just
recounted). Here was a perfect opportunity to "practice what you preach"
and it was missed.

I have noticed that conferences (NCTM and others) are making an effort to
include more workshop style sessions at which the limited seating allows
for a more interactive format.

Ed Dickey

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