Table 1.

Adapted process measures applied to Project WEB ACTS (About Choices in Transplantation and Sharing) intervention.

Construct	Definition	Research question	Indicators
Reach	The extent to which individuals are found eligible, and participate in the study	What proportion of interested participants was eligible for the study?	Percentage of individuals who completed the eligibility questionnaire and were found eligible for the study
		What proportion of eligible participants participated in the study?	Percentage of individuals who were found eligible per the eligibility questionnaire and completed the study
		To what extent were Georgia residents recruited into the study?	Location estimation (Georgia vs other US state) per retrospective Internet protocol address analysis
Recruitment	Procedures used to approach and attract participants	To what extent were Web recruiters successful in attracting participants to the study?	Percentage of participants referred to study from Web recruiters and other methods
Dose received	The extent to which participants actively engage with, interact with, are receptive to, or use materials or recommended resources	To what extent did participants engage in the study intervention components?	Number of website sessions Percentage of new sessions Number of users Average time spent on the entire website (min:sec) Number of page views Average time on each page (min:sec) Number of individuals who pressed “play” for each video Highest percentage completed of each video Number of individuals completing the corresponding highest percent completed
Context	Aspects of the Web-based setting that may influence intervention implementation	To what extent did the Web-based setting influence intervention implementation?	Data trends of eligibility screener responses as compared with Web-based marketing efforts Debriefing interviews with Web recruiters