 Focus group interviews will be conducted after the first post-test with 20 caregivers 10 participants per group in both treatment groups. Their data will be content analyzed to identify their perceived benefits, limitations and difficulties encountered and therapeutic ingredients of the two programs. With significant positive outcomes found in the PSBBP, this program will be adopted by community mental healthcare services in Hong Kong, and replicated in other Asian countries, to improve family-based care in schizophrenia-spectrum disorders. 