At least it slowed the bear enough for her to make a getaway. Imagine if she didn't have the spray. The end of the story would of been much different.....Just my $.02.
The studies have been done. Unless you have a chain gunThe fire extinguisher sized bear spray is the best bet. Just replace it when it's expired and get a good holster. It would'nt hurt to have a compact shotgun for the follow up though...........