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Study Planning and Design

  • Choosing an appropriate randomization technique.
  • Choosing the appropriate sampling technique.
  • Sample size estimization and power analysis.
  • Proposal development.

Data Collection and Entry

  • Survey design.
  • Creation of individualized computer data entry programs
    • EPI INFO Manuals This link goes to an external web site
    • Pascal programming language.
    • Optical marks recognition (scanner) form design and programming.
    • Other methods.
  • Survey design methodology.
  • Data entry services.
    • Training.
    • Human entry.
    • Optical marks recognition (scanner).

Data Management

  • Translation of databases to appropriate formats for statistical analysis.
  • Assure quality and integrity of data.
  • Merge datasets.
  • Programs transformations of the data for statistical analysis.

Data Analysis

  • Descriptive Statistics
    • Means, medians, modes, standard deviations, etc.
    • Frequency distributions.
    • Stem-and-leaf displays.
    • Box plots.
  • Graphic plots
  • Univariate analyses, including:
    • T-tests.
    • Chi-squares (crosstabs).
    • Analysis of Variance (ANOVA), including repeated measures and Analysis of Covariance (ANCOVA).
    • Correlational analysis.
    • Nonparametric tests such as
      • Mann-Whitney U
      • Kolmogorov-Smirnov
      • Wald-Wolfowitz
      • Kruskal-Wallis
      • Cochran
      • Friedman
      • Kendall
      • Wilcoxon
      • Exact tests for small samples
  • Categorical data analysis, including:
    • Log-linear modeling
    • Logistic regression
  • Survival analysis and Life tables
  • Multivariate Analysis of Variance (MANOVA) and
  • Multivariate Analysis of Covariance (MANCOVA)
  • Discriminant analysis
  • Linear regression
  • Factor analysis -- Exploratory and Confirmatory
  • Structural modeling (LISREL)
  • Hierarchical linear models
  • Survey analysis, including
    • Item analysis
    • Psychometric analysis
  • ROC analysis
  • Meta-analysis techniques
  • Program evaluation and quality assurance research
  • Health services research and medical outcomes research

Report Preparation

  • Create tables and graphical representations of data.
  • Assist in the writing up of results for presentations and publication.
  • Respond to reviews from reviewers of funding agencies and journals.


  • Present monthly seminars on Basic Research Methods at UMMC.
  • Available for workshops and seminars.
  • Advise and review applicants for UMMC internal grants.
  • Sponsor a statistical users group.
  • Publish a biannual UMMC newsletter, Correlations. Maintain this website.