Why does my dog freeze and refuse to move when he sees other dogs?

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

1. 1
   Working with a dog trainer and attending training classes
2. 2
   Trying to take training outside into the real world
3. 3
   Clicking the dog's attention on walks
4. 4
   Putting the dog in a sit position when another dog gets too close
5. 5
   Trying to redirect the dog's focus back to the handler using treats or commands
6. 6
   Moving into driveways or creating as much physical distance as possible
7. 7
   Keeping the dog moving past the trigger rather than having them sit and stare

In their words

Unedited, most upvoted first, each linked to the thread it came from.