A study on use of the Taback-Coupland model examined attacks on journalists in areas of conflict. This study has been published by the United Nations Institute for Disarmament Research. It shows the different forms of violence to which journalists are subjected. See Security of journalists: making the case for modelling armed violence as a means to promote human security (link). The data in this study was validated through cross- reference to data published by organizations dealing with the security of journalists.