The sample size was based on a previous study3
examining the effects of a medication and symptom
management program on medication compliance, and
which had an effect size of .98. Since the present study
was conducted with individuals and caregivers, and
used a different conceptual framework, the larger effect
size of .80 was used to calculate the sample size. Thus
26 participants per group were needed. During the
study period, 79 participants were assessed for
eligibility.