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American Public Health Association
133rd Annual Meeting & Exposition
December 10-14, 2005
Philadelphia, PA
APHA 2005
 
Session: Measurement Issues: Validity and Reliability
5141.0: Wednesday, December 14, 2005: 12:30 PM-2:00 PM
Oral
Measurement Issues: Validity and Reliability
Self-reported data are invaluable to understanding many public health problems. These data, however, can be fraught with interpretational difficulties due to questions regarding their validity and reliability. In this session, methods are presented that can improve the collection and interpretation of personal data reported by individuals.
Learning Objectives: At the conclusion of the session, the participant in this session will be able to: 1. Understand differential item functioning, item response theory, and the importance of establishing and employing valid measurement tools in epidemiological research. 2. Explain the effects of measurement error and violations of the true score model of reliability on test-retest estimates of the reliability of self-reported age of first drug use. 3. Discuss the importance of using psychometrically sound outcomes measures for clinical practice and research. 4. Test for the extent of differential reporting of similar levels of health among sub-groups of the population in any health surveys. 5. List the instruments commonly used in HIV/AIDS quality of life research
Presider(s):Martin C. Weinrich, PhD
12:30 PMItem response theory: An empirical example describing the use of the quantitative model to assess differential item functioning across gender in public health research
Adam C. Carle, MA, PhD
12:45 PMEffect of correlated errors on the test-retest reliability of self-reported age of first drug use
Scott L. Hershberger, PhD, Dennis G. Fisher, PhD, Grace L. Reynolds, DPA, Charles L. Henry, JD, Mario J. Perez, Adi Jaffe, BA
1:00 PMImproving clinical outcome measurement tools for patients with disabilities  [ Recorded presentation ]
Dagmar Amtmann, PhD, Kurt L. Johnson, PhD, CRC, Carrie M. Kuehn, MA, MPH
1:15 PMDifferential reporting of similar levels of health among subgroups the U.S. population  [ Recorded presentation ]
Martey Dodoo, PhD
1:30 PMA review of the statistical aspects of quality of life measurement tools for HIV/AIDS  [ Recorded presentation ]
Kimberly A. Shinault, MPH, Hélène Carabin, PhD, Marguerite Keesee, PhD, Nancy K. Sonleitner, PhD
See individual abstracts for presenting author's disclosure statement and author's information.
Organized by:Statistics
Endorsed by:Epidemiology; Maternal and Child Health
CE Credits:CME, Health Education (CHES), Nursing

The 133rd Annual Meeting & Exposition (December 10-14, 2005) of APHA