[R-meta] mean-variance relationships introduces additional heterogeneity, how?

[James Pustejovsky]

Responses below.

On Mon, Oct 25, 2021 at 4:21 PM Luke Martinez <martinezlukerm using gmail.com> wrote:
>
> Sure, thanks. Along the same lines, if I see that the unconditional
> distribution of the SMD estimates is multi-modal or right or left
> skewed (perhaps due to extreme outliers), but the unconditional
> distribution of the corresponding LRR estimates looks more symmetric
> and well-behaved, does that also empirically suggest a mean-sd
> relationship in one or more groups?

I'm not sure that it implies a mean-sd relationship. But I think it
does suggest that LRR might be a more appropriate metric.

> PS. Is there a reason for exploring the mean-sd relationship
> specifically in the control group?

No, you could certainly examine the relationships in the treatment
group(s) as well.