http://spssx-discussion.165.s1.nabble.com/Meta-analysis-for-regression-coefficients-tp5719057p5719079.html
... Mark Miller
> Assuming you mean you want to do two meta-analyses, one for each coefficient,
> then the standard methods should work. See this article by Fleiss for a
> nice overview of the standard methods:
>
>
http://smm.sagepub.com/content/2/2/121.short>
> By the way, I found this statement in your post rather odd: "Some
> coefficients were calculated mathematically and I don't have SDs for those
> coefficients." Surely they were all calculated mathematically, weren't
> they? Anyway, as the Fleiss article shows, you need to have an estimate of
> the coefficient for each study and the corresponding standard error (SE, not
> SD). If the SE is missing, I think you have two choices: 1) exclude those
> studies, or 2) estimate the missing SEs. If you opt for 2, then you should
> probably run the analysis with a range of estimates plugged in as a kind of
> sensitivity analysis. How many of them are missing the SE?
>
> HTH.
>
>
>
> Sungeun Chung-2 wrote
>> Dear SPSS-L experts
>>
>> I haven't done meta-analysis before but I need to do it now. I am trying
>> to teach myself about meta-analysis and would like to have some wisdom
>> from the experts here.
>> My problems is that I have results from 16 studies and want to do
>> meta-analysis for two regression coefficients Â
>> My data look like this:
>>
>> study b1 b2 sample size coefficients standardized?
>> S -0.06 0.14 549 unstandarized
>> P, T, & H1 0.34 0.04 101 standardized
>> P, T, & H2 0.15 -0.1 129 unstandarized
>> P, T, & H2 -0.19 0.25 241 standardized
>> S & D 0.39 0.07 132 standardized
>> T, R, & C 0.39 0.07 132 standardized
>> G 0.66 0.31 632 standardized
>> G & H 0.02 0.24 506 standardized
>> L & W 0.1 0.13 1335 standardized
>> L & T 0.25 0.41 232 standardized
>> M et al. -0.18 0.18 198 standardized
>> E et al. 0.25 -0.01 359 unstandarized
>> S et al 1 0.26 0.18 167 unstandarized
>> S et al 2 0.01 0.37 167 unstandarized
>> N & F 1 0.26 0.12 152 standardized
>> N et al 0.09 0.33 520 standardized
>>
>> Some coefficients were calculated mathematically and I don't have SDs for
>> those coefficients.
>>
>> Can I find numbers for overall effects for two variables through
>> meta-analysis?Â
>> What are the methods and programs that I can use for this kind of
>> analysis.
>> Any help will be greatly appreciated!
>>
>> Thanks in advance,
>>
>> Sungeun
>>
>>
>> Sungeun Chung, Ph.D. Associate Professor
>> Department of Journalism and Mass Communication
>> 40210 Faculty Hall Sungkyunkwan University
>> 53 Myeongyun-Dong 3-Ga Jongno-Gu, Seoul, Korea 110-745
>> 82-02-760-0398;Â
>
>> chseun@
>
>> ;Â
>
>> chseun@
>
>
>
>
>
> -----
> --
> Bruce Weaver
>
[hidden email]
>
http://sites.google.com/a/lakeheadu.ca/bweaver/>
> "When all else fails, RTFM."
>
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