In my country neurolinguistic programming (NLP) has become very popular in sales departments. Therefore, I wonder if there are any experiments which examine the contribution of NLP to the sales ...
According to these answers 1, 2 and to wikipedia, NLP seems to be a pseudoscience, which has shown no real effectiveness, and so on. Are there scientific proved alternatives to NLP?
Are there some branches of NLP which are considered scientific? Bandler and Grinder also claim that NLP can treat problems such as phobias, depression, habit disorder, psychosomatic illnesses, ...