There is an intermingling of people from different cultures. Most commonly we have largish contingents from the US, UK, Italy, Germany, Spain and Australasia, plus smaller numbers from other parts as well. There is an integration of applied, theory and research, so that the conference has relevance to practitioners, not just academics. The participants are not just psychologists. Many people from other disciplines add to the diversity and stimulation.
People practice constructive alternativism.
You will find the audience helpful and encouraging. This is the feedback you need and it may come from potential markers of your thesis, if you are a student. Irrespective can I ask you all to have a look at the website which will be evolving over the next couple of months. Anyway, part of that has involved getting the PCP database working as we'd want it, thanks to the expertise of David Webster. It contains several thousand references and was originally put together by Gabriele Chiari from Rome.