Literal question
BL+FU2: How many hours did you spend studying per day last academic period (Excluding attendance to classes, including only work at home, library or in study group)?
FU1: How many hours do you currently spend studying per day (Excluding attendance to classes, including only work at home, library or in study group)?
FU1: How many hours do you currently spend studying per day (Excluding attendance to classes, including only work at home, library or in study group)?