BackgroundAdequate health literacy is important for people to maintain good health and manage diseases and injuries. Educational text, either retrieved from the Internet or provided by a doctor’s office, is a popular method to communicate health-related information. Unfortunately, it is difficult to write text that is easy to understand, and existing approaches, mostly the application of readability formulas, have not convincingly been shown to reduce the difficulty of text.ObjectiveTo develop an evidence-based writer support tool to improve perceived and actual text difficulty. To this end, we are developing and testing algorithms that automatically identify difficult sections in text and provide appropriate, easier alternatives; algorithms that effectively reduce text difficulty will be included in the support tool. This work describes the user evaluation with an independent writer of an automated simplification algorithm using term familiarity.MethodsTerm familiarity indicates how easy words are for readers and is estimated using term frequencies in the Google Web Corpus. Unfamiliar words are algorithmically identified and tagged for potential replacement. Easier alternatives consisting of synonyms, hypernyms, definitions, and semantic types are extracted from WordNet, the Unified Medical Language System (UMLS), and Wiktionary and ranked for a writer to choose from to simplify the text. We conducted a controlled user study with a representative writer who used our simplification algorithm to simplify texts. We tested the impact with representative consumers. The key independent variable of our study is lexical simplification, and we measured its effect on both perceived and actual text difficulty. Participants were recruited from Amazon’s Mechanical Turk website. Perceived difficulty was measured with 1 metric, a 5-point Likert scale. Actual difficulty was measured with 3 metrics: 5 multiple-choice questions alongside each text to measure understanding, 7 multiple-choice questions without the text for learning, and 2 free recall questions for information retention.ResultsNinety-nine participants completed the study. We found strong beneficial effects on both perceived and actual difficulty. After simplification, the text was perceived as simpler (P<.001) with simplified text scoring 2.3 and original text 3.2 on the 5-point Likert scale (score 1: easiest). It also led to better understanding of the text (P<.001) with 11% more correct answers with simplified text (63% correct) compared to the original (52% correct). There was more learning with 18% more correct answers after reading simplified text compared to 9% more correct answers after reading the original text (P=.003). There was no significant effect on free recall.ConclusionsTerm familiarity is a valuable feature in simplifying text. Although the topic of the text influences the effect size, the results were convincing and consistent.

Although the findings of most of the studies indicate that the current instructional methods are effective, the study designs are generally weak, there is little evidence that learning persists over time, and few validated methods of skill measurement have been developed.

The objective of this project was to develop and implement electronic access to HIV/AIDS information resources at Glide Memorial Church in San Francisco, CA. This involved developing tailored Web-based access to the relevant information for the Glide Clinic patients. In addition, the project deployed workstations in 2 clinic areas and provided support to clinic patients as they learned to access the information resources. This article describes the experience with information retrieval in a clinic setting for underserved patients, including lessons learned, effective strategies, and anecdotes of effect on patients. Required nursing informatics competencies in this particular area are also addressed.

Childrens Hospital Los Angeles is a pediatric hospital and research institute affiliated with the Keck School of Medicine of the University of Southern California (USC). Historically, the library at Childrens Hospital was staffed by a hospital-employed librarian. In 1999, the library position was outsourced to USC's Norris Medical Library. The new position is staffed by a librarian who divides her time equally between two locations: the Childrens Hospital Library and the Norris Medical Library. This staff sharing arrangement has three primary goals: increase the collaboration between the libraries; improve access to resources and library staff expertise; and provide faster document delivery service to the Childrens Hospital library. This paper presents the details of the position, and addresses the pros and cons for both libraries and the librarian.