id author title date pages extension mime words sentence flesch summary cache txt crl-16739 Thorngate, Sarah; Hoden, Allison Exploratory Usability Testing of User Interface Options in LibGuides 2 2017-08-31 18 .pdf application/pdf 9265 358 51 Structural features of the user interface, such as page layout and navigation, shape the learning environment and direct students’ attention. Although we specifically asked for preferences based on page layout and not on content, several participants did base their decision on the content of the page. cache/crl-16739.pdf txt/crl-16739.txt