Table 1.

ADAPT-ITT^a model: Phases and methodology.

ADAPT-ITT phase	Aim	Study method
Assessment	1	Formative research with Black young adults via a web-based survey, digital storytelling, and focus groups
Decision	2	Adapt Tough Talks based on established feasibility, acceptability, and early effectiveness data
Administration	2	Usability testing with Black young adults in Alabama, Georgia, and North Carolina
Production	2	Produce initial intervention prototype
Topical Experts	2	Review TT-Cb with identified scientific and community experts and young adult advisors
Integration	2	Integrate content from topical experts, young adult advisors, and Black young adult participants of the technical pilot
Training	2	Train staff on TT-C app functionality
Testing	3	Conduct hybrid type 1 effectiveness implementation randomized controlled trial

^aADAPT-ITT: assessment, decision, administration, production, topical experts, integration, training, and testing.

^bTT-C: Tough Talks for COVID-19.