Metacognitive effects of attitudinal (in)congruence on social media: relating processing fluency, subjective knowledge, and political participation.

Introduction: Encountering political disagreements in our daily lives can discourage us from participating in democratic processes. To date, research has mainly focused on social motives or attitudinal mechanisms to explain this phenomenon. In the present study, we adopt a different approach and highlight metacognitive effects of attitudinal (in)congruence on processing fluency (i.