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by mattkrause 1935 days ago
It's a bit circular: one of the major reasons people want to leave a group is because it is not productive. If your PI won't invest in data collection or sits on manuscripts for years, you won't have the raw materials for a thesis-by-publication.

As for transferring, other than a lab moving, I've never heard of someone switching just to defend. Most programs have "residency" requirements of a few years (ours is two years after a master's and at least 2/3s of the coursework, for example).