Table 1.

Study Design Plan and Sample Size

		Pre-Test		Post-Test
Arm	n	Administration Mode	PROMIS Form	Administration Mode	PROMIS Form
PC → PC	98	PC	A	PC	B
	93	PC	B	PC	A
PC ←→ Telephone	45	PC	A	Telephone	B
	49	Telephone	B	PC	A
	45	PC	B	Telephone	A
	47	Telephone	A	PC	B

Note: PC = personal computer self-administered; Telephone = telephone interviewer-administered.