Can you change a MADRS (or HAMD) score retrospectively if the subject later admits that he was minimizing symptoms (particularly SI)?

I am doing a study in which we get a Montgomery-Asberg Depression Rating Scale (MADRS) at three time points (baseline, 2 weeks, and 4 weeks). I have a subject who reported at the 2-week time point...

10 December 2016 7,645 3 View