I'm installing new interior doors and was wondering if it matters which half of the hinge goes on the door and which half goes on the jamb, i.e. the leaf with 2 knuckles vs. the leaf with 3. The current doors don't seem to provide any answer. The hinge orientation seems more dependent on whether it's a right handed or left handed door, but since I'm installing heavier doors which will require 3 hinges per door, and since the pin can be reversed, I was wondering if one method of installation is more stable and sturdy than the other. Thanks for any and all responses.

I live in a post-WWII cape cod style house. A few months ago we had a medical emergency and the EMTs pushed their way through the front door. This resulted in the door frame being pushed apart right where the strike plate is mounted. The brass box that was mounted inside the wall, to catch the bolt came out as well. The door closes and locks, but a few pounds of pressure and you can push the door right in. I believe that the front door's frame was built by hand, not installed as a door+frame unit as I see when I look in the aisles of the local home store. So the main question is should I get a contractor to fix up the frame that's there, or should they install a whole new door/frame? The current door is solid wood and has just OK weather stripping, and my wife and I don't love the design of the door either. If this is a standard job, is there going to be much of a price difference between fixing or replacing? If we replace, we're getting a standard door with maybe a window at the top, no sidelights or anything fancy. Thanks! (darnit, I just realized this was posted under INTERIOR improvement, if a moderator wants to move it to the right forum, i'd appreciate it)