attrition in longitudinal studies

[Brian Richards]

Dear Shelley, Gordon Wells gives some useful information about withdrawals
from his sample of 128 children in Bristol, England. See his 1985 book
Language Development in the Preschool Years. Table 1.7, p.28 gives a
breakdown by age, sex and class of family background of children who
withdrew. The cell with the largest count is Class D boys in the older
cohort.

Regards

Brian

*************************************
Brian Richards
Professor of Education
The University of Reading
Institute of Education
Bulmershe Court
Earley, Reading, RG6 1HY, UK
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----- Original Message -----
From: "Shelley Velleman" <velleman at comdis.umass.edu>
To: <info-childes at mail.talkbank.org>
Sent: Thursday, June 12, 2003 1:14 AM
Subject: attrition in longitudinal studies


> Assistance urgently needed!
>
> I need to know what kinds of attrition rates people have had
> in longitudinal studies, especially of very young kids (I hope to be
> following mine from 12 - 42 months).  Especially if you've had experience
> with low SES groups, I'd really appreciate you sharing your experience,
> including any strategies that helped to reduce attrition.
>
> Please include:
>
> Age range:
> SES:
> Strategies that did or did not work to reduce attrition (Please state
> which!):
> Location:
>
> Many thanks!!
>
> Shelley Velleman
> UMass - Amherst
>
>
>
>
>