The following slides accompanied a presentation delivered at ASHA's Clinical Practice Research Institute. Data speak, not men... "Designs have inherent rigor but not all studies using a design are rigorous" -- Randy; yesterday "Illusion of strong evidence..."-- Gilbert, McPeek & Mosteller, 1977 Effects of Interpretation Bias on Research Evidence (Kaptchuk, ... Continue to Article >>

The following slides accompanied a presentation delivered at ASHA's Clinical Practice Research Institute. Event-based measures of treatment effects Another approach to analyzing data from group comparison studies. Instead of comparing means, dichotomize the event (outcome) of interest as “present” or “absent” in individual patients within the groups. Then compare the ... Continue to Article >>