“…Multiple studies found a significant but smaller impact on prejudice over timeranging from 4-6 weeks to 15 months after the intervention (Berger, Benatov, Abu-Raiya, & Tadmor, 2016;Murrar & Brauer, 2018;White, Abu-Rayya, & Weitzel, 2014). While other studies found a significantly stronger effect over time periods of three months to two years after the intervention (Berger, Brenick, Lawrence, Coco, & Abu-Raiya, 2018;Neto, Da Conceiçao Pinto, & Mullet, 2016) or a non-significantly stronger effect over time (Broockman & Kalla, 2016). These mixed results could reflect a number of different mechanisms at play.…”