You shouldn't stick around a bad job JUST to avoid being seen as a job hopper. I can't speak for everyone, but when I see someone leaving a job they recently started, I'll ask about it, but won't hold it against them if there is a good reason. Just be sure you can express your issues clearly without sounding petty.
Of course that only works if it's a rare thing, not every job. If someone is having the same issue at every job the problem probably isn't their bosses, it's probably them.
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You shouldn't stick around a bad job JUST to avoid being seen as a job hopper. I can't speak for everyone, but when I see someone leaving a job they recently started, I'll ask about it, but won't hold it against them if there is a good reason. Just be sure you can express your issues clearly without sounding petty.
Of course that only works if it's a rare thing, not every job. If someone is having the same issue at every job the problem probably isn't their bosses, it's probably them.