I've trained quite a few spaniel’s and just completed the training for my bully (if it ever finishes!!!) and in my opinion (lots of different ways to train a dog most end up with similar results) the main thing dog's need is patience and care, I'm not one of these reward based training people but common sense say's to praise good behaviour and punish bad (some people us verbal others use physical, each to their own). For basic training the first thing you've got to have is an enclosed area with no exciting smells or unfamiliar sights (traffic, people, game, etc) so your the centre of the dog