On Fri, 24 Mar 2000 Wendell <[EMAIL PROTECTED]> wrote:
> I saw in a recent journal article mention of a technique for converting
> ordinal scales to interval scales called *successive intervals*. I have
> searched several references and can find no mention of it. Does anyone
> know of a published description of this method?
Sounds to me like a method of scaling (converting nominal or ordinal
scales to one or more interval scales); in that context "successive
intervals" refers, I believe, to an ordinal scale in which the several
adjacent ("successive") intervals are not assumed to be equal, but are
assumed to have a constant length on an underlying latent scale.
I'd recommend starting with Professor Nishisato's text on dual scaling;
I've taken the liberty of copying this reply to Nishi in case he wants to
comment. (I know he's offering a short course on dual scaling sometime
soon, but I've forgotten the dates.)
-- DFB.
------------------------------------------------------------------------
Donald F. Burrill [EMAIL PROTECTED]
348 Hyde Hall, Plymouth State College, [EMAIL PROTECTED]
MSC #29, Plymouth, NH 03264 603-535-2597
184 Nashua Road, Bedford, NH 03110 603-471-7128
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