[R-meta] Effect Sizes From Pretest-Posttest-Control Group Designs and effect sizes from Pretest-Posttest designs

[Yingkai]

Thanks a lot!

Viechtbauer, Wolfgang (SP)
<wolfgang.viechtbauer using maastrichtuniversity.nl>于2021年12月13日
周一下午10:36写道：

> Dear Yingkai,
>
> I don't think there is a single answer here. Of course one can do this --
> whether one should in any particular case depends on the circumstances. And
> not sure why combining effect sizes from pretest-posttest-control group
> designs and effect sizes from between-group designs is out of the question.
> In any case, a canonical reference here is:
>
> Morris, S. B., & DeShon, R. P. (2002). Combining effect size estimates in
> meta-analysis with repeated measures and independent-groups designs.
> Psychological Methods, 7(1), 105-125.
> https://doi.org/10.1037/1082-989x.7.1.105
>
> Best,
> Wolfgang
>
> >-----Original Message-----
> >From: Yingkai [mailto:yykjiyisuipian using gmail.com]
> >Sent: Monday, 13 December, 2021 15:08
> >To: r-sig-meta-analysis using r-project.org
> >Cc: Viechtbauer, Wolfgang (SP)
> >Subject: Effect Sizes From Pretest-Posttest-Control Group Designs and
> effect
> >sizes from Pretest-Posttest designs
> >
> >Hi Dr. Wolfgang and all,
> >    I am wondering whether one can combine effect sizes from
> pretest-posttest-
> >control Group designs and effect sizes from pretest-posttest designs(no
> control
> >group) in a meta-analysis?
> >I know that one should not combine effect sizes from
> pretest-posttest-control
> >Group designs and effect sizes from between-group designs in a
> meta-analysis.
> >
> >Best,
> >--
> >Yingkai, Associate Professor.
> >Southwest University, ChongQing, CHINA.
>
-- 
Yingkai, Associate Professor.
Southwest University, ChongQing, CHINA.

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