Part 2: Designing the Trial

Considers the design of group-randomized trials (GRTs), with a focus on internal and statistical validity, the factors that influence precision, and the major features that define variations in group-randomized trial designs, including:

  • Cohort vs. cross-sectional designs
  • Matching
  • Stratification
  • Constrained randomization
  • Time as a factor
Recorded on September 15, 2016