"The simple riddle that 50% of Harvard students get wrong"
Marlene Breverman stashed this in It's the fonts!!
Cognitive reflection test
Cognitive reflection test and cognitive biases
Font in cognitive reflection test
Fonts in school
Fonts and cognitive strain
System 1 thinking is quick, intuitive, and effortless.
System 2 thinking is slow and requires effort.
Using a harder to read font increases cognitive strain.
Using a harder-to-read font automatically sharpens focus/attention (cognitive strain). Very good for proofreading.
Fonts that are harder to read improve memory?!