Beyond faith identity and practice, Barna also defines some Christian groups, such as evangelicals, based on their theological convictions. (Most self-described measures of evangelicalism are not reliable; Barna’s definitions are found below.) Nearly all theologically defined evangelicals say they are not in favor of the Court’s decision (94%)—more than twice the proportion among the general population (43%) and even significantly more than the practicing Christians segment (66%). Only 2 percent of evangelicals say they support the decision to legalize same-sex marriage. They are also much more likely to say same-sex marriage will have a negative impact on society (86% vs. 40% among all U.S. adults), to believe extending marriage rights was morally right (10% vs. 52%) and to say same-sex marriage rights ...