This Thursday, Sept 13, Ted Bell and Mandy Hampton Wray will be presenting a data analysis problem involving a longitudinal intervention study. Ted wrote out some notes summarizing the problem — this should give you a gist of what they’re looking for. See you all Thursday! ***** Longitudinal data sets from an intervention. Time series: Pre-test Post-Test Longit 1 Longit 2 Longit3 Between subject controlled factors: intervention vs. control groups Considerations: Testing dates are not on fixed schedule, but show considerable variability between Post-test, L1, and other dates Some data points are missing. Many potential dependent variables. Many potential predictors … Continue reading This Thursday – analyzing a longitudinal intervention study