My opinion, by 16mths, she probablyis what she is, with still alot of puppyish ways. But of course alot has to do with training as well, is she crazy? like jumping all over you? training
is she petrified of strangers? well, that may be genetics or lack of socialization.
Have you met her? Best thing to do is go meet her, spend some time with her, take her for a walk, see how she behaves/acts with you.