PsyCourse Codebook Version 3.1, 15.11.19
Under the heading "Format of dataset", the incomplete sentence "We recommend to analyze these data with R, using an .RData file and ." should read "We recommend to analyze these data with R, using the .RData files.
In the original eCRF, the coding of the following items is not correct: "v1_sf12_itm9", "v1_sf12_itm10","v1_sf12_itm11","v1_sf12_itm12". Do not use these items for analysis.