BackgroundPsychoeducation should be practiced by various professionals. However, many Japanese psychiatric nurses recognize that psychoeducation should be practiced by other professionals, and show passive attitudes toward learning about evidence-based practices (EBPs), including psychoeducation. We developed a psychoeducation practitioner training program (PPTP) to nurture nurses. However, the PPTP was shown to be ineffective to help nurses achieve psychoeducation skills, although it improved their knowledge of psychoeducation and views on EBP. We developed and evaluated a revised version of the PPTP, integrating blended learning that combines e-learning and group education (BL-PPTP), to nurture nurses’ competencies to practice psychoeducation for patients with mental disorders.MethodWe trained nurses working on acute psychiatric care wards of Japanese hospitals using BL-PPTP, and compared their attitudes for evidence-based practices (EBP attitudes), preparedness for psychoeducational practice, and self-efficacy at 4 points to clarify time-course changes in each participant.ResultsSixty-nine nurses participated, 31 withdrew, and 38 were analyzed. The time needed to complete BL-PPTP ranged from 31 to 259 days, revealing a marked individual difference. There were significant improvements in most participants’ EBP attitudes and preparedness for psychoeducational practice at the end of the program compared with the baseline.ConclusionsBL-PPTP may be useful to nurture nurses’ competencies to practice psychoeducation. BL-PPTP developed in the present study may also help disseminate psychoeducation among nurses, and increase the quality of nursing care.