Table 1.

An overview of the study design, with details regarding how the variables differ across conditions.

Component	Control	Experimental
Delivery of information	Paper informed consent form paired with verbal overview of key points	Paper informed consent form paired with tablet-based tool which contains visual and audio components
Language	Complex (paper) and simplified (verbal overview)	Complex (paper) and simplified (tablet-based tool)
Exposure to information	Paper informed consent form will be sent to participant and family before data collection visit. They will be able to review as many times as they wish before visit During visits, simplified overview of informed consent form will be provided in person just once	Paper informed consent form will be sent to participant and family before data collection visit. They will be able to review as many times as they wish before visit During visit, the participant can go through the tablet-based tool up to 3 times
MacCAT questions	All questions will be asked after the disclosure information has been presented Questions will have the same wording as experimental condition Procedures will mimic MacCAT or flipchart (incorrect or partial credit will be given opportunity to answer question again after disclosure information is repeated) Multiple choice options rather than open-ended Paper and pencil data collection	All questions will be embedded within the vignettes or presentation of disclosure information Use simplified wording for questions- similar to flipchart Procedures will mimic MacCAT or flipchart (incorrect or partial credit will be given opportunity to answer question again after disclosure information is repeated) Multiple choice options rather than open-ended. Response data stored within tool and exported to dataset for analysis