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| Sample size with observed variables |
 
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| Nick posted on Monday, April 25, 2016 - 7:41 pm
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I am running a mediation analysis with all observed variables. A saturated model, as is usually the case. The sample size is 144, however, with 34 free parameters it doesn't quite fit the "rule of thumb" or 5:1 ratio of subjects to parameters often thrown around. I understand this rule of thumb guideline is slightly arbitrary, but I cannot find much sample size information regarding observed variables. Does N=144 seem ok for 34 parameters with only observed variables? The only thing of interest is essentially the bootstrapped indirect effects.
Thank you. |
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I would guess that using bootstrapping there is a good chance 144-34 is ok.
You could do a Monte Carlo simulation study to check, using bootstrapping. |
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