Explanation, causation, and psychological theories : a methodological study illustrated by an analysis of Festinger's theory of cognitive dissonance and Newell & Simon's theory of human problem solving / Dick RuimschotelManipulating more than we intend : an investigation of Festinger and Carlsmith's (1959) experimental procedure / Ralph Harald BruinStereotype change: effects of disconfirming information / Elizabeth SteenlandSearching for negative information : the pains of "suspecting the worst" versus the comforts of "knowing the worst" / Yaniv ShaniConsistency and the unexpected / Marret Kathelijn Noordewier