Early phonological development

[Gordon, Peter]

There is a Psych review article by Adolph and Johnson coming out soon that examines the role of sampling frequency in longitudinal  developmental research essentially showing how long sampling intervals can provide a very distorted picture of the actual developmental profile.
 
Peter Gordon
 
Peter Gordon, Associate Professor
525 W 120th St. Box 180
Biobehavioral Sciences Department
Teachers College, Columbia University
New York, NY 10027
Office Phone: (212) 678-8162
FAX: (212) 678-8233
Web Page: www.tc.edu/faculty/index.htm?facid=pg328

________________________________

From: info-childes at googlegroups.com on behalf of Kim Oller
Sent: Mon 5/26/2008 1:01 PM
To: Info-CHILDES
Subject: Re: Early phonological development




Dear Nina,
I second the comments from Marilyn about sampling more frequently
rather than at longer intervals. A current body of research coming
from our own laboratories and from analysis of the huge infant
database from Infoture suggests extraordinary levels of day to day and
hour to hour variation in the focus of infant vocalization and speech.
This of course makes sense, but I think we have not in the past paid
nearly enough attention to this kind of variation. There will be
reports on this phenomenon from our laboratories soon.
Best wishes,
Kim

D, Kimbrough Oller
Professor and Plough Chair of Excellence
The University of Memphis


On May 22, 4:55 am, Marilyn Vihman <mv... at york.ac.uk> wrote:
> Dear Nina,
>
> If you were working on this project with me I would recommend shorter
> recording sessions but more frequent intervals, since the lexicon and
> phonological patterning of children changes so rapidly in this period.
> If you'd like more of my views, just write me directly; I have data
> from children of those ages learning a number of different languages.
>
> -marilyn vihman
>
> On 22 May 2008, at 10:50, Nina wrote:
>
>
>
> > Dear all,
>
> > I am currently planning a three year post doctor project on the early
> > phonological development of Norwegian children. I find it difficult to
> > determine the appropriate number of children for this study. My
> > current plan is to compile data from one-hour play sessions with 10
> > children every six weeks for six months (18, 19.5, 21, 22.5, 24
> > months). Has anyone done a similar study or could anyone in other ways
> > supply me with any ideas concerning the number of participants,
> > session intervals or the six months period of data compilation?
>
> > Regards, Nina G. Garmann
>
> Marilyn M. Vihman
> Professor, Language and Linguistic Science
> V/C/210, 2nd Floor, Block C, Vanbrugh College
> University of York
> Heslington
> York YO10 5DD
> tel 01904 433612
> fax 01904 432673




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