Final answer:
Milieu therapy, advocated by Harry Stack Sullivan, focuses on enhancing a patient's capability to engage in interpersonal interactions and develop social skills within a supportive environment. This therapeutic approach aligns with Rogers' emphasis on genuineness, empathy, and unconditional positive regard.
Step-by-step explanation:
As identified by Harry Stack Sullivan, milieu therapy highlights the client's ability to interact, develop interpersonal skills, and work cooperatively with others. This type of therapy is grounded in the belief that the healing process is fostered through a supportive social environment, which enhances patients' socialization and ability to form healthy relationships.
Rogers, another influential figure in the realm of psychology, believed that traits such as genuineness, empathy, and unconditional positive regard (not structuralism or functionalism) were essential in providing effective therapy and helping clients to manage their problems.