The "inherent bad faith model" of information processing is a theory in political psychology that was first put forth by Holsti to explain the relationship between John Foster Dulles's beliefs and model of information processing. It is the most widely studied model of one's opponent.
The "inherent bias model" of information processing is a theory in political psychology that Holsti first presented to explain the link between John Foster Dulles's views and his approach to information processing. It is the most thoroughly examined model of an adversary's perspective.