Simple techniques -- great for dogs that are not highly motivated by treats or food. Lon term results are the true test of the program but we are hopeful! We are thankful to get rid of the spray bottles. Much prefer the verbal and auditory corrections. Linda was very positive, patient and clearly well practiced with this technique. We would recommend Bark Busters because of the long term follow up available if needed and for no extra charge. Comprehensive program including diet, toys, behavior modification and other canine supplies and recommendations.