Do you think humanistic psychotherapy is both necessary and sufficient for successful treatment?

Do you think humanistic psychotherapy is both necessary and sufficient for successful treatment? Is it only necessary, only sufficient, or neither? Explain your responses. Do your responses vary based on disorder or specific situation?

Can you think of an instance when you received conditional positive regard in your life? How, if at all, did this conditional positive regard affect you? Do you envision a different outcome had you received unconditional positive regard? How so?