Dog training type: Behavioral Modification. Dog behaviors: Anxiety, Fearful, Aggression towards people, Jumping. Dog age(s): 3+ years. Dog size(s): Medium (16-45 lbs). Number of dogs to be trained: 1. Dog breed(s): Rat terrier. Type of training: Private lessons. More info: My Dad now lives with me and it's his dog. My Dad is in denial about his aggressiveness.