>you cannot provide a citation that stutterers are often fluent when truly alone Purely anecdotal, yes. Overwhelmingly so. But anecdotal. >It's about time we move away from these attempts at psychological explanations of stuttering I was not using a psychological explanation of stuttering. I stated up from that it is neurodevelopmental. At the same time, there is obviously a psychological impact of stuttering. And there is a vicious cycle for many people with regards to their disfluency and the psychological. Citing studies of four individuals isn't evidence. It's anecdotal.