Sentence:  Interestingly enough - although none of the real-life therapists involved could conceivably compare with Blauberman - when groups of them began playing back interviews , they <WSD>discovered</WSD> any number of ways in which they wanted to polish their own interview techniques ; almost everyone , on first hearing one of his own sessions on tape , expressed some desire to take the whole thing over again . 
Meaning of the word marked with <WSD> tags:  make a discovery, make a new finding