You attend a parenting lecture in which the speaker argues that parents need to accept children as they are regardless of their behavior at the moment. which notion of carl rogers is the speaker advocating?

The answer is "Unconditional positive regard".

Unconditional positive regard, an idea created by the humanistic clinician Carl Rogers, is the fundamental acknowledgment and support of a man paying little heed to what the individual says or does, particularly with regards to client-centered treatment.