The aim of this paper is to identify and address *the* ethical issues *which* the following research raises, in accordance with the American Psychological Association’s Ethical Principles of Psychologists and Code of Conduct. :-) I do have a reservation, though, because the way you phrased it, it sounds as if the "issues themselves" are raised according to the American... Consider this alternative: In the (following research/research presented below) important ethical issues have been raised. The aim of this paper is to identify and address them (in accordance with/according to) the American Psychological Association’s Ethical Principles of Psychologists and Code of Conduct. Hope this helps :-)