Now determine what distance, or triggers, agitate your dog or begin the fearful response. A dog may be fine with strangers outside the home but not want them in the home, he may be fearful of all men, all women, all children under 5. Fearful of sudden movements, strangers that appear out of nowhere. Do a lot of observing and note taking become an expert on what triggers, or combination of triggers set off your dog. In general these things are very unsettling to the reactive dog.
Men are generally more threatening than woman.
Their movements are more direct, their eye contact is more direct, they are louder than women. They are bigger than women. Young children are provoking to many dogs. They have high pitched, squeaky voices, they move in very fast, quirky ways. They grab at and hug dogs.