 In its submission to the Constitutional Convention, in opposition to same-sex marriage the group cited a 2002 study conducted by the American non-governmental organisation Child Trends.In its submission, the organisation summarised the report stating that "Research clearly demonstrates that family structure matters for children, and the family structure that helps the most is a family headed by two biological parents in a low-conflict marriage…".Issues were subsequently raised in the Irish Senate as to the accuracy of the report and a response by Carol Emig, president of Child Trends wrote to the convention and stated that "This Child Trends brief summarizes research conducted prior to 2002, when neither same-sex parents nor adopted parents were identified in large national surveys.