What makes a claim (premise of an argument) plausible? Knowledge and metaknowledge. Believed/assumed relationship and perceived strength of the relationship between antecedent and consequent. Awareness of alternative causes or preventatives. Unawareness of counterexamples. Believed credibility and believed intention of source. Framing effects. Diversity of evidentiary support. Emotions, preferences, and other variables. Global fit. Plausibility theory.