processing fluency theory
The processing fluency shows how easy it is for our brain to process a stimulus. Easier to process stimuli and information are retrieved from memory faster, (aesthetically) preferred, and judged as more true. Reference: A. L. Alter and D. M. Oppenheimer, „Uniting the Tribes of Fluency to Form a Metacognitive Nation“, Personal. Soc. Psychol. Rev., Bd. 13, Nr. 3, S. 219–235, Aug. 2009, doi: 10.1177/1088868309341564.