Task	Task Description
1	“Go to the internet.”
2	“Take a look at the website inscribed on your bracelet (or card) and find this website on the internet.”
	If the user cannot read the inscription on the bracelet, provide the business card with the website address instead.
3	“Please click on the Patient/Family link.”
4	“On this page, you will find a box where participants in a future research study will be able to enter a four-digit ID engraved on a medical alert bracelet similar to the sample bracelet you are using for this test. Looking at this page, point to where you think this ID is supposed to be entered.”
5	“Please locate the four-digit ID on the medical alert bracelet (or card) and read the ID back to me.”
	If the user cannot see the ID, provide the business card with the mock ID instead and repeat the task.
6	“Some visitors to this website will not be in a research study and will not have an ID to enter. Please point out on this page how these visitors can still enter this website.”
7	“Now, look again at the four-digit ID on your sample bracelet (or card) and enter this ID into the box on this page and then click on Submit.”
8	“You stated that you could find information about ___ (see #9, item 1 on list). Please, go ahead and see if you can find that information.”
9	“Now, please go back to the homepage.”
10	“You also stated that you might find information about ___ (see #9, item 2 on list). Please, go ahead and see if you can find that information.”
11	“If you thought the words on this page were too small, show me how you might increase the size of the words.”
12	“Now, please go back to the homepage.”
13	“On this page, there are two places where you can find a calculator to estimate your kidney function. Please point to those two places.”
14	“Please click on one of the links to the calculator.”
15	“Visitors to this website can estimate their kidney function by using this calculator. This calculator requires the following information: race, gender or sex, age, and the results of a routine blood creatinine test provided by a healthcare provider. Please enter the mock information on this sheet of paper (hand user the paper) into the calculator and then click on Calculate to obtain the results. When finished, tell me your results.”
	After participant finishes, probe for any questions or comments.
16	“Looking at the side panel on the left, please click on the link to a page that talks about safety concerns with fluids.”
17	“Please scroll to the bottom of the page to view the rest of the information on this page.”
18	“At the bottom of this page are three links to other websites that offer information. Please click on one of these links.”
19	“Please return to the Safe Kidney Care website.”
20	“If you were worried that a test or treatment might hurt your kidneys, where on this website would you go to find more information?”
21	“If you wanted to learn more about the kidneys, where on this website would you go to find more information?”

ID, identification.