13 September 2020 3 5K Report

Dear all,

I am running a path model with a dummy variable (Gender) as an independent variable (there are more independent variables). The dependent variables are continuous.

Maximum Likelihood estimation assumes multivariate normality. But this assumption is violated using an independent dummy variable (or dichotomous variable).

I am looking for studies which have investigated the bias of an independent dummy variable on the maximum likelihood estimation when I use only continuous dependent variables.

Does anybody know such studies or some guiding rules?

[Due to sample design I can not use maximum likelihood parameter estimates with standard errors and a chi-square test statistic (when applicable) that are robust to non-normality and non-independence of observations.]

Thank you very much in advance.

Kind regards

Rico

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