Negative views of aging (VoA) present a motivational barrier to healthy aging. Although prior interventions have demonstrated success in making adults' negative VoA more positive, reliance on self-report-based explicit measures is insufficient to examine whether these interventions also affected individuals' implicit VoA. Thus, this study assessed the impact of the AgingPLUS program, a 4-week psychoeducational intervention, on implicit measures of VoA in a randomized controlled trial. Participants aged 45-75 years (