Bringing evidence to practice: a team approach to teaching skills required for an informationist role in evidence-based clinical and public health practice

Objective: The objectives were (1) to develop an academic, graduate-level course designed for information professionals seeking to bring evidence to clinical medicine and public health practice and to address, in the course approach, the “real-world” time constraints of these domains and (2) to further specify and realize identified elements of the “informationist” concept.Setting: The course took place at the Division of Health Sciences Informatics, School of Medicine, Johns Hopkins University.Participants: A multidisciplinary faculty, selected for their expertise in the course core competencies, and three students, two post-graduate National Library of Medicine (NLM) informationist fellows and one NLM second-year associate, participated in the research.Intervention: A 1.5-credit, graduate-level course, “Informationist Seminar: Bringing the Evidence to Practice,” was offered in October to December 2006. In this team-taught course, a series of lectures by course faculty and panel discussions involving outside experts were combined with in-class discussion, homework exercises, and a major project that involved choosing and answering, in both oral and written form, a real-world question based on a case scenario in clinical or public health practice.Conclusion: This course represents an approach that could be replicated in other academic health centers with similar pools of expertise. Ongoing journal clubs that reiterate the question-and-answer process with new questions derived from clinical and public health practice and incorporate peer review and faculty mentoring would reinforce the skills acquired in the seminar.

Highlights

• Interdisciplinary faculty designed and offered a graduate-level course to teach the skills required by an informationist in clinical and public health practice, further elaborating a model for preparing informationists.

Implications

• This scalable approach to teaching skills for the transfer of evidence into practice could be replicated in academic health centers with similar pools of expertise; such replication could contribute data toward validating this training approach.
• Greater clarity on an appropriate, or “good enough,” standard of evidence for supporting point-of-action decision making is needed.
• Based on the assumption that practicing skills increases confidence and the likelihood that skills will be applied, this course included mentored practice of oral and written evidence presentation skills. Further research could determine whether a course that includes such mentored practice increases the likelihood that students will apply their newly acquired skills.

     

How Ordinary is the Ordinary (Wo)man on the Street?

Interviews with the ordinary man or woman on the street are omnipresent in television news. These vox pop interviews are used to represent the general public in the news. Several editorial and practical guidelines exist about the characteristics of a “good” vox pop. But what characteristics do journalists search for in vox pops in practice? This study answers this question by looking at visual and contextual characteristics of vox pop interviews as a means to gain a better understanding of which vox pops appear in the news as a representation of the entire population. We conducted a content analysis of 2000 vox pop interviews in Flanders, Belgium’s Dutch-speaking region, supplemented by interviews with television journalists. We find that, despite editorial guidelines to do so, journalists hardly ever contextualize vox pop interviews by clarifying that they are not necessarily a good representation of the entire population. The results show that journalists select vox pops which are representative of age and gender, but not of minority groups such as ethnic-cultural minorities and people with disabilities. In some regards, vox pops thus provide a biased representation of the population and might influence the public to make wrongful generalizations about public opinion.     

Local Journalism and the Information Needs of Local Communities

This paper presents a three-level conceptual and methodological framework for assessing local journalism and the extent to which it meets community information needs. This research grows from frequent calls from policymakers, foundations, and advocacy groups for methods and measures to facilitate comparative analyses of the state of local journalism in different communities. Further, the goal here is to develop a methodological approach that can be realistically scaled to large numbers of communities in order to facilitate analysis of both the factors that affect the state of local journalism and the ways local journalism may affect the state of local communities. The methodological approach presented here focuses on infrastructure (the availability of journalistic sources), output (the quantity of journalistic output from these sources), and performance (the extent to which this output is original, is about the local community, and addresses critical information needs). An exploratory application of this methodological approach is then presented for three communities. The results indicate substantial differences in the journalism infrastructure, output, and performance across these communities and suggest possible points of focus for future research.     

Methodological-conceptual problems in the study of chimpanzees’ folk physics: How studies with adult humans can help

In three experiments, we examined humans’ folk physics (i.e., a naturally occurring and spontaneous understanding of the physical world), using variations of problems used to study chimpanzees’ folk physics. Presented with trap-tube problems in two experiments, adult humans showed an unnecessary bias to insert a stick into the end of the tube farthest from the reward to push it out the other end. When presented with trap-table problems with ineffective trapping holes, people unnecessarily avoided the side with the hole. The similarity of humans’ and chimpanzees’ behavior on these tasks highlights methodological and conceptual problems in studies of chimpanzees’ folk physics and suggests alternative explanations for their behavior.     

Degradation of collagen in parchment under the influence of heat-induced oxidation: Preliminary study of changes at macroscopic,microscopic, and molecular levels

This paper examines the impact of heat-induced oxidation for new and historical parchment with the purpose of improving diagnostic tools for use in practical parchment conservation. Oxidation was generated by heat aging at 120°C in a dry oven for 24, 48, and 96 hours, respectively. The degradation was assessed on all samples at macrolevel by measuring color changes, at microlevel by measuring the shrinkage temperature as well as by performing a visual assessment of the fibers’ morphology and determining the amount of damaged fibers, and finally, at molecular level where amino acid analysis was used to reveal changes in the oxidized collagen. The study shows that the heat-induced oxidation leads to significant color changes, decrease in hydrothermal stability, as well as changes in the amino acid composition. Surprisingly, the results show that the historical parchment is more sensitive towards dry heat oxidation on a molecular level than is the new parchment. Furthermore, for the first time, we can show that physical damage reflected in the morphological characteristics of fibers can be attributed to oxidation by dry heat.     

Ice hockey shoulder pad design and the effect on head response during shoulder-to-head impacts

Ice hockey body checks involving direct shoulder-to-head contact frequently result in head injury. In the current study, we examined the effect of shoulder pad style on the likelihood of head injury from a shoulder-to-head check. Shoulder-to-head body checks were simulated by swinging a modified Hybrid-III anthropomorphic test device (ATD) with and without shoulder pads into a stationary Hybrid-III ATD at 21 km/h. Tests were conducted with three different styles of shoulder pads (traditional, integrated and tethered) and without shoulder pads for the purpose of control. Head response kinematics for the stationary ATD were measured. Compared to the case of no shoulder pads, the three different pad styles significantly (p < 0.05) reduced peak resultant linear head accelerations of the stationary ATD by 35–56%. The integrated shoulder pads reduced linear head accelerations by an additional 18–21% beyond the other two styles of shoulder pads. The data presented here suggest that shoulder pads can be designed to help protect the head of the struck player in a shoulder-to-head check.     

The role of shoe design on the prediction of free torque at the shoe–surface interface using pressure insole technology

The goal of the current study was to expand on previous work to validate the use of pressure insole technology in conjunction with linear regression models to predict the free torque at the shoe–surface interface that is generated while wearing different athletic shoes. Three distinctly different shoe designs were utilised. The stiffness of each shoe was determined with a material’s testing machine. Six participants wore each shoe that was fitted with an insole pressure measurement device and performed rotation trials on an embedded force plate. A pressure sensor mask was constructed from those sensors having a high linear correlation with free torque values. Linear regression models were developed to predict free torques from these pressure sensor data. The models were able to accurately predict their own free torque well (RMS error 3.72 ± 0.74 Nm), but not that of the other shoes (RMS error 10.43 ± 3.79 Nm). Models performing self-prediction were also able to measure differences in shoe stiffness. The results of the current study showed the need for participant–shoe specific linear regression models to insure high prediction accuracy of free torques from pressure sensor data during isolated internal and external rotations of the body with respect to a planted foot.