I'm repeating a presentation that many have heard before.  However I
want to encourage them to listen closely because they can hear things
this time that they missed before.  Therefore I want a statistic that
emphasises when you hear something a second and or third time you
retain it better and or you are more apt to act on the advice after
hearing it again.

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Request for Question Clarification by czh-ga on 04 Oct 2005 16:51 PDT

Hello lecturer3-ga,

What is the topic or subject matter of your presentation?  Why is your
audience attending something that they've heard before?  Are they
required to attend whether they want to or not? If this is the case,
sympathy and humor might be more appropriate than trying to convince
them to care and pay attention. Please tell us more about the context
of your question so we can relate the research to your needs. Thanks.

~ czh ~

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Clarification of Question by lecturer3-ga on 05 Oct 2005 04:10 PDT

I need humor.  At my church once a month I give a financial tip.  This
month in revival I'm giving an entire presentation on how to handle
money.  Therefore some of the material in my presentation will be
information I already shared earlier in the year so I want to lighten
the mood and say something like "X% of people respond to something
when they hear it once, but XX% respond when they hear something the
second time.  The real reason most people are coming to the revival is
to hear the preacher who will speak after me, but in order to get a
seat in the church they will have to come early and that  is when I
will give my presentation so anything I can do to lighten the mood and
ad humor will make the presentation that more effective.

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Request for Question Clarification by omnivorous-ga on 05 Oct 2005 08:34 PDT

Lecturer3 --

I'd made a run at this question but there are so many variables that
it may just make sense to recommend some Google search strategies
here:
"impact of repetition" branding
"impact of repetition" advertising

There are excellent studies that say many customers don't even hear
the first half-dozen messages.  Other studies that say authority comes
with repetition.  And still others that say, "You can overdo it."

"attention span" "pubic speaking"

When you realize how little time people are actually tuned into a
message, you understand why speakers are advised "Tell them what
you're going to tell them.  Tell them.  Then tell them what you told
them."

Finally, repetition is extremely valuable in building muscle memory
and is a common base of sports training.  Try something like:
"impact of repetition" golf

A little story here: I have a friend who is an excellent golfer and
had been on the PGA "rabbit" tour for novice pros.  I once asked him,
"Charlie, my golf game has always been good.  How do I get it to your
level?"

"You can't," was the response.
"Oh, come on, quit kidding me."
"You can't.  I'd hit 200 balls before breakfast in college.  Then tape
the sores in my hands and hit another 500 before lunch.  There isn't
enough time for you to develop the skills."

If you look at biographies on the LPGA site, you'll see that young
players today are often hitting 1,000 practice balls a day -- even
before they hit the course.

Best regards,

Omnivorous-GA

You could start by asking the people how many of them had heard you
speak before:  "Heard me once, twice, even three times?"  And then
joke about their being masochists or slow learners.  Then you could
say that you will be asking for audience participation "especially
from you (George)", if you know his name, someone who had heard you
most often.
This should help keep them on their toes.  When you get to the first
point that is a repeat, after mentioning the subject, call on someone
to tell what you had said before.  If they can answer, fine, you can
thank him/her and agree and expand on the subject.  If no one answers,
you can humorously be self-deprecating about your apparent inability
to have but the point across ("Well, let me try again") and present
it, maybe asking at the end if anyone now recalls that they remember
your previous talk.
Some will nod, so you can joke about their previous reticence and make
your point about the impact of repitition.
And so on.

That is not the answer to your question about statistics, just maybe a
way to keep them awake, but like in school, the "threat" that they may
be asked to respond should make them concentrate.
There is some statistic about people remembering just x% of what they
only hear, a higher percentage of what they read, but a much higher
percentage of what they have to write or otherwise active respond to.

This is just a free comment trying to help, not an "answer" to your
question, which only Czh-ga or one of the other "blue-named"
Researchers can post.