tl;dr If you are under the impression group-level data and group-based data analysis will inform you about within-person processes, you would be wrong. Stick around to learn why. This is gonna be a long car ride. Earlier this year I published a tutorial1 on a statistical technique that will allow you to analyze the multivariate time series data of a single individual. It’s called the dynamic p-technique. The method has been around since at least the 80s ( Molenaar, 1985) and its precursors ...
