[R-meta] Random-effects meta-analyses with inverse-variance weights cannot include studies with sample sizes of two?

[Patrizio Tressoldi]

In this case the reviewer referred to the calculation of the effect size
of an individual primary study.

Patrizio


Il 02/11/2018 13:33, Michael Dewey ha scritto:
> Can you just clarify Patrizio, does the referee mean that an
> individual primary study must have a sample size greater than two or
> that your meta-analysis must include more than two primary studies?
> Either way it seems dubious to me.
>
> Michael
>
> On 02/11/2018 09:38, Patrizio Tressoldi wrote:
>> A need your advise about a referee comment: "random-effects
>> meta-analyses with
>> inverse-variance weights cannot include studies with sample sizes of
>> two".
>>
>> Is this statement correct, and if yes, why?
>>
>> Thanks
>> Patrizio
>>
>> --
>> Patrizio E. Tressoldi Ph.D.
>> Dipartimento di Psicologia Generale
>> Università di Padova
>> via Venezia 8
>> 35131 Padova - ITALY
>> http://www.patriziotressoldi.it
>> https://orcid.org/0000-0002-6404-0058
>>
>> Science of Consciousness Research Group
>> http://dpg.unipd.it/en/soc
>>
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>

--
Patrizio E. Tressoldi Ph.D.
Dipartimento di Psicologia Generale
Università di Padova
via Venezia 8
35131 Padova - ITALY
http://www.patriziotressoldi.it
https://orcid.org/0000-0002-6404-0058

Science of Consciousness Research Group
http://dpg.unipd.it/en/soc

Make war history
support http://www.emergency.it