"Consider some studies that show noisy, hard-to-read text (as on a poorly-printed copy) is better remembered by readers than clean typography. Apparently, the e

"Consider some studies that show noisy, hard-to-read text (as on a poorly-printed copy) is better remembered by readers than clean typography. Apparently, the effort of making out messy printing also strengthens the recall." In the book 'Thinking, Fast and Slow' studies are presented, that the number of right answers increases if the question is harder to read. The conclusion is, that if you need more effort and consciousness to comprehend a question, than you are already in a mode of thinking which makes it easier to reach the right answer.