Table 1.

Feasibility and acceptability evaluation metrics

Domain	Metric
Safety	• Adverse event reporting
Recruitment feasibility	• Eligibility rate • Rates and reasons for ineligibility • Eligibility based on objective v. subjective working memory impairment • Enrollment rate
Acceptability of procedures	• Retention rates of the intention-to-treat sample, ≥70% was deemed acceptable • Differences in demographic, medical, and baseline measures between treatment completers and dropouts
Intervention acceptability	• Retention rates of treatment initiators, ≥70% was deemed acceptable • Reason for dropouts • Per protocol intervention adherence, completing 5 sessions per week for 5 weeks • Reported challenges/diffculties throughout the intervention • Intervention satisfaction survey