I don't know if I am willing to accept it as a such tight relation. For one thing, being passive-aggressive is usually not one particular action, an outburst when upset, it's more like a an attitude, a continuous inclination/slant/flavour.
I think that passive vs. active aggression depends much more on power, status, and specific circumstances rather than on usually preferred communication styles.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
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