Study design

• Effectiveness-implementation hybrid designs (Type 1 and 2)
• Observational studies
• Randomized controlled trials (RCT)
• Sequential, multiple assignment, randomized trials (SMART)

Digital health intervention design

• Chatbots
• Mobile apps
• Mixed reality (augmented and virtual reality)

Data management and analysis support, including

• Causal inference
• Latent class analysis
• Longitudinal modeling
• Machine learning / AI
• Mixed methods (qualitative and quantitative data analysis)
• Multiple imputation
• Structural equation modeling