Final answer:
Carl Rogers emphasized three key factors needed for an effective helping climate in client-centered therapy: unconditional positive regard, genuineness, and empathy, which contribute to a supportive environment conducive to personal growth.
Step-by-step explanation:
The 3 key factors needed for effective helping climate according to Rogers are crucial in client-centered therapy, a therapeutic technique developed by American psychologist Carl Rogers. These three factors are unconditional positive regard, which entails complete acceptance of the client by the therapist; genuineness, where the therapist is authentic and transparent in their interactions with the client; and empathy, the ability of the therapist to understand and share the feelings of the client. Through these core conditions, Rogers believed that individuals could successfully deal with their issues, as they fostered a supportive and growth-oriented climate.