We are grateful to Shameka Powell, PhD, Richard McGee, PhD, Nadya Fouad, PhD, Jenna Rogers, PhD, Janet Branchaw, PhD, Christine Pfund, PhD, Nancy Thayer-Hart, MS, and Kimberly Spencer, MS, all of whom provided valuable insight and constructive feedback on this scale at various stages of development. This work was supported by the NIH under grant R01 GM094573. Work reported in this paper was also supported by the NIH Common Fund and Office of Scientific Workforce Diversity under grant U54 GM119023 (National Research Mentoring Network [NRMN]). Additional support was received from the Department of Medicine, University of Wisconsin–Madison (UW). The work is the sole responsibility of the authors and does not necessarily represent the official views of the NIH or UW. Portions of this work were presented at the annual meeting of the Association for Psychological Science, Chicago, IL, May 2016, and the Understanding Interventions Conference, San Antonio, TX, March 2017.