Complex sentence: One way science journalism can achieve that is to avoid an information deficit model of communication, which assumes a top-down, one-way direction of communicating information that limits an open dialogue between knowledge holders and the public.
Split into simpler sentences: One way science journalism can achieve this is by avoiding an information deficit model of communication. This model assumes a top-down, one-way direction of communicating information that limits an open dialogue between knowledge holders and the public.