Procedure
BLIND
All participants were invited from adult day care centers or community facilities and were screened to ensure their eligibility for this study. After participants provided written informed consent, they participated in SCET and completed measures before and after SCET. Research assistants were responsible for implementing all measures in this study. To minimize potential confounding effects, the measures conducted before and after SCET were scheduled on different days and did not occur on the same day as the SCET. This approach ensured that the assessments were conducted independently and allowed for a precise evaluation of the effects of the SCET intervention.Instructors who conducted the intervention were qualified occupational therapists. To minimize the staff training weakness because of multi-site sampling, all instructors received standardized training on the concepts of SCET. Instructors were not involved in the assessments and were blind to the cognitive status of all participants. Their lack of involvement in the assessments ensured objectivity and minimized potential biases that could arise from their knowledge of the participants’ cognitive level.At the data analysis stage, all participants were divided into two cognitive groups based on their performance on MoCA before SCET, CH (MoCA ≥ 26), and CI (MoCA < 26) [
Flow diagram of screening, intervention, measurement, and final sample included in data analysis