I don't really think this is type related. Its more communication style, and lots of people of various types do one or the other, or both depending on circumstance.
I know I would tell people to take out the trash, because it needs to be done. Its how you live in a not filthy environment, and makes functionality better. I don't want people coming over and seeing this filth. This isn't because I am a J, but more so because I am a 1. I am a messy person, and a very strict and clean person at the same time. It just depends on what I am doing, and where I am doing it. I clean up after myself, I expect others to do the same.
Well, the topic isn't really about taking out trash and cleanliness -- it's about the manner in which one communicates that the trash needs to be taken out. But Re your first paragraph, sure, if you end up being the one who takes it out when you see it's full, then no communication needs to happen. And sure, there will be individual variance and some individuals of a given type may have learned or will choose to communicate in a mode differing from their natural preference - maybe particularly if they've learned it's more effective on the job or if they've learned their friend or partner appreciates a different mode better and they value this person. Or, maybe a particular scenario just really brings out a different style for whatever reason.
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@OP - Re types and direct/indirect, yes, there are overall trends -- which is really what 'type' is about - it's about general tendencies in people - tendencies that can be grouped by type. The links [MENTION=195]Jaguar[/MENTION] provided are the interaction/communication styles of the 16 types. And sure, it's part of the theory, just as every other method of typing is mere theory. Will it apply to every single person on the planet/ everyone of a given type? Highly, highly doubtful. But it's about trends.
So generally speaking, there are types who could be viewed as beating around the bush with anything they're trying to say, who are very indirect because they don't want to come across as 'demanding' or as 'ordering' anyone around, thus will couch their language with fluff, pleasantries, suggestions, providing information and then seeing if the other party decides to do anything with the information, giving hints, can be viewed as being passive and not stating directly what they actually want.... and then there are types that in general will just get right to the point, will ask succinctly if such and such person will please take out the trash, will say such and such is the problem (vs such and such might be the problem), will be viewed as more 'blunt', and so on. Of course there are a few in-between styles. Pure directing per theory is ENTJ, ESTJ, ESTP, ENFJ. Pure Informing (polar opposite communication preference) is INFP, ISFJ, INTP, ISFP. The other eight are kind of middling.