330.626.11 | AY 2013-2014 - Summer Inst. Term | 2 Credit(s)
ThF 9:00:00 AM
  • Contact Information
  • Course Learning Objectives

    Upon successfully completing this course, students will be able to:

    • Identify the characteristics of well-designed non-experimental studies
    • Explain the role of propensity scores in non-experimental studies
    • Specify and diagnose a propensity score model
    • Implement propensity score methods, including subclassification and matching
  • Course Description

    Discusses the importance of the careful design of non-experimental studies, and the role of propensity scores in that design, with the main goal of providing practical guidance on the use of propensity scores in mental health research. Covers the primary ways of using propensity scores to adjust for confounders when estimating the effect of a particular “cause” or “intervention,” including weighting, subclassification, and matching. Examines issues such as how to specify and estimate the propensity score model, selecting covariates to include in the model, and diagnostics. Draws examples from school-based prevention research, drug abuse and dependence, and non-randomized treatment trials, among others. Primarily emphasizes non-experimental studies; however, also discusses applications to randomized trials. The second day provides hands-on experience with software for implementing propensity score analyses. Primary emphasis is on the MatchIt package for the open-source R statistical sof

  • Intended Audience

    Public health researchers; graduate and postgraduate students.

  • Methods of Assessment

    Grading Policy: Take home project.

    Grading Restrictions: Letter grade

  • Prerequisites

    Experience with linear and logistic regression.

  • Academic Ethics Code

    The code, discussed in the Policy and Procedure Memorandum for Students, March 31, 2002, will be adhered to in this class:

    Students enrolled in the Bloomberg School of Public Health of The Johns Hopkins University assume an obligation to conduct themselves in a manner appropriate to the University's mission as an institution of higher education. A student is obligated to refrain from acts which he or she knows, or under the circumstances has reason to know, impair the academic integrity of the University. Violations of academic integrity include, but are not limited to: cheating; plagiarism; knowingly furnishing false information to any agent of the University for inclusion in the academic record; violation of the rights and welfare of animal or human subjects in research; and misconduct as a member of either School or University committees or recognized groups or organizations.

  • Disability Support Services

    If you are a student with a documented disability who requires an academic accommodation, please contact Betty H. Addison in the Office of Student Life Services:, 410-955-3034, or 2017 E. Monument Street.