Are you wondering why some dogs in your group do not obey your commands when you're actually trying to train them
? Fine, I shall explain that to you. Like human beings, dogs do have different psychologies. No two dogs can actually behave in the same way. They have different qualities. So some dogs do not feel like obeying to your commands because of their personality traits like dominance and independence. So if you actually come across such type of dogs in your training group, then make sure that you don't try to force anything on such dogs. Never hit such dogs. This is because you will actually increase the dogs' resistance by actually trying to impose discipline on them.
On the contrary, you need to make sure that you understand some methods which actually come handy in training such dogs which have tough personality traits. The first and the foremost thing that you need to remember when training such dogs is to incorporate the reward system. Come up with small rewards which will definitely make the dog obey your commands at least for the reward. But don't get frustrated and impatient dealing with such type of dogs because as a dog trainer, you should be more responsible, caring and understanding towards all animals alike.
So don't be partial towards those sweet and cute dogs which don't obey your commands; and don't be violent towards the ones which don't even care about you. You are a human being and you are intelligent. So you need to behave like a human being and should not stoop down to the level of an animal when it comes to training dogs. If you still are interested about knowing more about how dogs actually respond to dog training, then increase of knowledge about the subject.