Send your query to the list CHILDMUS (sounds like child muse) a list for
children's museum professionals.
 
On Tue, 9 Aug 1994, Jane Glaser wrote:
 
> Your first query: Start with children's museums and science centers
> where most often staff is found in exhibitions...as "explainers" or
> as monitors or as observers of their visiting publics. A place like
> the Exploratorium in San Francisco may have done some studies on
> explainers. Or try the Indianapolis Children's Museum or the
> Boston Children's Museum...perhaps some evaluations have been done in
> those places. They have been pretty successful wherever they are used.
>