Hugh Pickens writes "PC World reports on a study showing that reading from a printed book — versus an e-book on any of the three tested devices, an iPad, Kindle 2, and PC — was a faster experience to a significant degree. Readers measured on the iPad reported reading speeds, on average, of 6.2 percent slower than their print-reading counterparts, while readers on the Kindle 2 clocked in at 10.7 percent slower. Jacob Nielsen had each participant read a short story by Ernest Hemingway. Each participant was timed, then quizzed to determine their comprehension and understanding of what they just read. Nielsen also surveyed users' satisfaction levels after operating each device (or page). For user satisfaction, the iPad, Kindle, and book all scored relatively equally at 5.8, 5.7, and 5.6 on a one-to-seven ranking scale (seven representing the best experience). The PC, however, did not fare so well, getting a usability score of 3.6."