Table 1.

Research design: data collection (O1–O4) by experimental group

Random assignment by facility	Baseline	Week 2–5	Week 6	Week 12–14 (3 month)	Week 26 (6 month)
Reasoning Exercises in Assisted Living (n=25), experimental group	O1	X	O2	O3	O4
VITAMIN (n=25), placebo group	O1	V	O2	O3	O4
CONTROL (n=25), no-treatment control	O1		O2	O3	O4

Abbreviations: X, Reasoning Exercises in Assisted Living (6 individual 1 hour sessions); V, VITAMIN (6 individual 1 hour sessions); O1, Every Day Problems Test for Cognitively Challenged Elders, self-care (Direct Assessment of Functional Status and Resident Functional Capacity Screen [RFCS]), efficacy, strategy use, comorbidity, cognition, depression, support, demographics; O2, Every Day Problems Test for Cognitively Challenged Elders, self-care (Direct Assessment of Functional Status and RFCS), efficacy, strategy use, program completion, program evaluation; O3, Every Day Problems Test for Cognitively Challenged Elders, self-care (Direct Assessment of Functional Status and RFCS), efficacy, strategy use; O4, Every Day Problems Test for Cognitively Challenged Elders, self-care (Direct Assessment of Functional Status and RFCS), efficacy, strategy use, nursing home placement, assisted living residency.