Subjects will be randomized to intervention group and control group. The outcome measures include the Canadian Occupational Performance Measure, Instrumental Activities of Daily Living-3 Dimensions, Activities of Daily Living Rating Scale III, Frenchay Activities Index, Lawton Instrumental Activities of Daily Living, Mini Mental State Examination-2nd edition, Behavior Rating Inventory of Executive Function adult version, Allen Cognitive Level Screen-6th, Participation Measure-3 Domains, 4 Dimensions, Personal and Social Performance scale, Work Behavior Inventory, Schizophrenia-Quality of Life questionnaire, Beck Depression Inventory-II, and Functioning Scale of the Disability Evaluation System.
