Other personality traits can be selected for at the discretion of the handler, such as independence or submissiveness. General puppy tests conducted multiple times before the puppy reaches 8 weeks can offer a lot of information about the puppy's personality and similar characteristics. Search dogs must pass obedience tests and search tests for certification. Specific training methods for obedience, as well as the training itself, is the responsibility of the handler. Not all dogs respond to all types of training.
People have their favorite methods.
Any method that works for you and your dog and is not pain-based is acceptable. Recognize that obedience is an important and integral part of the search dog's talent. Eventually, your dog must be directable from afar and out of voice-contact. He or she will be transported in close proximity to other dogs and people, who may be unfamiliar. Other people may have to handle your dog at times.