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Sampling

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MMHassan Gani

Nutrition Analyst/FAO FSAU Somalia

Normal user

25 Feb 2009, 13:30

I would like to know the most appropriate and cost effective sampling system which is relevent to apply the pastoral communities like Somalia.

Mark Myatt

Frequent user

25 Feb 2009, 16:35

This is a big question. There is a workshop in Addis next week discussing this issue. ACF have a method in development that is a two-stage cluster-sampled method that uses a qualitative first phase to create a sampling frame, systematic sampling to select PSUs, posterior weighting (rather than PPS style prior weighting), a bootstrap estimator, census sampling of selected PSUs, and a MUAC case-definition. A field trial in Mali (last year) was very encouraging and ACF are looking to develop the method further. You should contact ACF at:

mnco@et.missions-acf.org

For details of the workshop. If you cannot come then I suggest that you contact me via ENN and we can discuss this in detail.

Marie McGrath

Mrs

Forum moderator

25 Feb 2009, 16:47

Actually a field article based on the ACF work in Mali that Mark was involved with, will be included in Field Exchange 35 - this issue should be online by the end of the week. It describes a new method for assessing acute malnutrition in nomadic pastoralist populations.
I'll post a message once it's there.

Mark Myatt

Frequent user

25 Feb 2009, 16:58

Thanks. I was not sure when that article would come out That article should give you a pretty good idea of what the proposed method looks like. There is also a short article in FE issue 33 (http://www.ennonline.net/fex/33/fex33.pdf) which describes some earlier work by ACF in this area.

Mark Myatt

Frequent user

18 Mar 2009, 13:31

The article describing the Mali pilot is at http://www.ennonline.net/fex/35/fex35.pdf.


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