In the analysis of Seligman et al. (1990) data on explanatory style (Table 13.15), you will note that there are somewhat more males than females in the Optimist group and more females than males in...

In the analysis of Seligman et al. (1990) data on explanatory style (Table 13.15), you will note that there are somewhat more males than females in the Optimist group and more females than males in the Pessimist group. Under what conditions might this affect the way you would want to deal with unequal sample sizes, and when might you wish to ignore it?