The standard answer is, “Make it worth the dog’s while”.

Odds of this approach to recall training working go up quite a lot under a few circumstances:

1.  Your dog isn’t hugely self confident.  Dogs that are a little nervous on their own have a natural inclination to stay relative close.  That makes recall training a lot easier.

2.  Your dog is under  about four months of age. Puppies usually know that they cannot survive on their own; unfortunately at around four or five months of age they often get stupid and think they can rule the world.  That is when recalls (and training in general) can be challenging for many dog/handler teams.   Don’t give up; your nice dog usually comes back.

3.  Your dog is fully mature.  After your dog has  worked through the stupid age and has seen a few thousand dogs, trees, and leaves, they aren’t…