Re: Please tell me if this short text looks good
Welcome to the forum, leszkoss. 

Originally Posted by
leszkoss
People perform badly when speaking in public for couple of ('a couple'. Even with the correction, this sound rather informal. I'd use 'a number of') reasons. One of them is lack of self-confidence and insufficient preparation for the speech.(that's two reasons) The other is that speakers pay too much attention to the verbal aspect of their speaking, rather than focusing on non-verbal features of the speech they are giving, which vastly prevail (Sorry, but I am not sure what you mean by that) in how they are perceived by the audience. In other words, the impression that you make on people who listen to you, (no comma) is what really matters.
Context is always important; labelling is rarely important.