Tom There are a host of possible ways, from improving the quality of recruits, of managers, of the training content, introducing behavioural safety methods of feedback, carefully recording every form of 'incident' and so on. It depends where you're starting and the standards you want to reach. Obviously, you can reduce the time spent on 'refresher' training to zero if you and your management are prepared to pay for the consequences. If you want to invest in a simple but very incisive tool, a company of ergonomists in Australia sell packs of modestly-priced patient assessment cards which can be given to each employee as a daily reminder of the issues to recall when they're handling a patient.