Final answer:
Rogers believed that three elements were necessary to promote positive changes in therapy: unconditional positive regard, genuineness, and empathy.
Step-by-step explanation:
Rogers believed that three elements were necessary to promote positive changes in therapy: unconditional positive regard, genuineness, and empathy. Unconditional positive regard refers to the therapist accepting the client for who they are, without judgment or conditions. Genuineness means that the therapist is authentic and transparent in their interactions with the client. Empathy involves the therapist understanding and sharing the client's feelings and experiences.