Dr. Stuart Shulman's research presented at the 2014 CAQDAS Conference focuses on measuring reliability and validity in human coding and machine classification, supported by various grants from national agencies. The presentation highlights the importance of qualitative methods and mixed-methods approaches, emphasizing that rigorous research design is essential for valid inferences. It also discusses the application of information retrieval and natural language processing techniques to enhance data analysis in e-rulemaking and qualitative research.