Retrieve information about the booklets entered in the db so far
Usage
get_booklets(db)
Value
A data frame with columns: booklet_id, n_persons, n_items and booklet_max_score.
booklet_max_score gives the maximum theoretically possible score according to the scoring rules
Arguments
db
a connection to a dexter database, i.e. the output of start_new_project
or open_project