The imdt is the only education provider to offer the externally accredited ocn 'principles of dog training and behaviour' dog training qualification. the route to obtain your dog training qualification is to complete the 2 day 'career as a dog trainer' course, the 4 day 'practical instructor' course and the 2 day 'imdt assessment'.. Obedience. for dogs over 12months that are safe around other dogs and people. progressive - move up the ladder after puppy training as you look for more challenging exercises. squaddie - improve your obedience - british army style! drills n skills - circuit style training using equipment to improve obedience.