Late Half Day Seminars
Wednesday, April 11, 2012 - 3:15 pm - 6:00 pm
Pre-registration and ticket required for admission
Full/Associate/Emeritus Members: $100
Student/Trainee/Transitional Members: $50
Seminar 09: Introduction to Latent Class Analysis for Behavioral Research*
Lead Presenter: Stephanie T. Lanza, The Methodology Center, Penn State, State College, PA
Latent class analysis (LCA) is a statistical technique that allows researchers to identify underlying population subgroups that cannot be directly measured. In LCA a latent class variable, comprised of two or more subgroups, is posited to explain individuals’ responses to a set of variables. These subgroups provide a more holistic view of individuals’ health and behavior than that which could be derived from a single measured variable. Depending on the area of study, there may be latent classes representing different disease presentations, patterns of substance use, treatment adherence patterns, baseline profiles that indicate likely response to treatment, and so on.
In recent years, the advantages of this person-centered approach to analyzing health and behavioral data have been increasingly recognized; at the same time, user-friendly software such as SAS PROC LCA has become available so that applied scientists may readily conduct LCA. Despite the availability of such software, however, several technical aspects of this analytic approach must be understood in order to successfully conduct LCA. These include model identification and selection; predicting latent class membership; and predicting distal outcomes from latent class membership.
This seminar will provide an introduction to LCA. Empirical results based on publicly available behavioral data will be used to demonstrate this approach in order to facilitate understanding of the type of research questions LCA can be used to address. During the seminar, a freely-available procedure for SAS, PROC LCA, will be demonstrated in the context of an empirical example so that attendees learn the basics of how to fit latent class models. Time will be reserved for open discussion of research questions that LCA may be appropriate for answering questions in the research of seminar attendees. Attendees will be given a handout with the Power Point slides, a list of articles containing additional information, and sample SAS syntax and output
*Session not eligible for CE credits
Seminar 10: Going Digital: Building Evidence Based eHealth and mHealth Interventions
Lead Presenter: Jennifer Duffecy, Center for Behavioral Intervention Technologies, Preventive Medicine, Northwestern University, Chicago, IL
Co-Presenters: Mark Begale, Center for Behavioral Intervention Technologies, Preventive Medicine, Northwestern University, Chicago, IL; David C. Mohr, Center for Behavioral Intervention Technologies, Preventive Medicine, Northwestern University, Chicago, IL; and William Riley, National Heart, Lung, and Blood Institute, Bethesda, MD
Research and development of mobile technologies for health behavior assessment and intervention are growing rapidly. The development and evaluation of mHealth and eHealth interventions requires methodologies and technical skills that have not been part of traditional training for behavioral and clinical scientists. This pre-conference workshop provides an overview of mHealth and eHealth development and evaluation methodologies.
This workshop will provide “how-to” information that will include evaluating and selecting the most appropriate technology modalities for your intervention and how to choose and communicate with your technologist, including developing functional design specifications, defining scope of work, and navigating the culture and language of engineering/computer science. We will introduce principles of user-centered development, beginning with mock paper prototyping, moving to initial prototyping and function and usability testing to refine functionality under controlled conditions, and field testing to examine its function under real-world conditions. Issues of data security/handling will be reviewed. Trial implementation will be covered, including participant recruitment in a technologically savvy world and unique issues related to running trials of eHealth and mHealth interventions. Grant application issues related to mHealth and eHealth research will be discussed. We will conclude with a brief discussion of the implications for integration of behavioral theory with behavioral intervention technologies. There will be opportunities for question and answer between each topic of the workshop, so bring your ideas for discussion!
Seminar 13: Trauma-Informed Care: How Can Medical and Dental Providers Effectively Work with Survivors of Traumatic Events?
Lead Presenter: Sheela Raja, Univ Illinois, Chicago, IL
Co-Presenter: Michelle Hoersch, U.S. Department of Health and Human Services, Office on Women's Health- Region V, Chicago, IL
Exposure to trauma is perhaps the greatest threat to public health in the United States, causing both immediate and long-term psychological and physical health effects. Traumatic events include (but are not limited to) child abuse/neglect, domestic violence, sexual assault, elder abuse, and exposure to combat (as a civilian and/or a soldier). Healthcare professionals are very likely to treat patients who have experienced a wide range of traumatic events, but most providers rarely receive any specialized training on how to effectively interact with survivors of trauma in the medical and dental settings. The purpose of this seminar is for participants to explore ways to bring trauma-informed research and practice into their particular work settings.
Experiencing a traumatic event is highly likely to influence survivors’ experiences seeking dental and medical care—both immediately after the event and in the years to follow. Current research suggests that trauma survivors may experience "secondary victimization" or "retraumatization" as a result of contact with the healthcare system. Survivors who are treated insensitively or receive fragmented servies may avoid accessing much-needed preventative services, which in turn may increase their level of psychological and physical health symptoms. On the other hand, survivors who have positive relationships with their providers may be more likely to engage in preventative care and follow up on medical treatments.
This seminar will: 1) review the current research on how survivors of traumatic events experience the medical and dental systems, 2) suggest ways that providers can sensitively interact with trauma survivors, avoid retraumatization, and engage in trauma screening and prevention as appropriate, and 3) discuss how these ideas can apply to participants specific clinical and research settings.