I would say it is true for some readers, because formal written sentences are harder to understand and digest for some people. Their conclusion was: “In five out of five studies, students who learned with personalized text performed better on subsequent transfer tests than students who learned with formal text. Overall, participants in the personalized group produced between 20 to 46 percent more solutions to transfer problems than the formal group.” … Conversational writing kicks formal writing’s ass – [Creating Passionate Users]
