“…Audits have uncovered unequal treatment by race (Quillian et al 2017), gender (Öblom and Antfolk 2017), motherhood status (Correll, Benard, and Paik 2007), family structure (Lauster and Easterbrook 2011), age (Baert et al 2016), sexual orientation (Tilcsik 2011), neighborhood reputation (Besbris et al 2015), disability status (Ameri et al 2018), class background (Kugelmass 2016), religion (Wright et al 2013), and other characteristics. The approach has mostly been used to examine hiring and housing discrimination but has also gauged responsiveness by elected officials (Butler and Broockman 2011), graduate school mentors (Milkman, Akinola, and Chugh 2015), churches (Wright et al 2015), therapists (Kugelmass 2016), and bureaucrats (White, Nathan, and Faller 2015); treatment on sites like AirBnB (Edelman, Luca, and Svirsky 2017), Facebook (Hebl et al 2012), and Uber (Ge et al 2016); and other outcomes. Many audits have been U.S.-based, but several hundred now have addressed unequal group treatment in other countries (e.g., Ahmed and Hammarstedt 2009; Bonnet et al 2016; Hogan and Berry 2011; Lauster and Easterbrook 2011).…”