3.2.2. MarlinaLS usage
Student usage of MarlinaLS during each semester is recorded at the system level and is based on the seconds elapsing from the time the student accesses (logs onto) the system to the time the student exits (logs off) the system. The acronym SYSTEMUSAGE is used to represent the seconds for which student access to MarlinaLS was recorded. For the
period under examination, student usage of the MarlinaLS resource varied significantly.
Accordingly, to reduce the impact of extreme usage by some students on the relationships examined, we take the logarithm of system usage by each student, represented by the variable LNUSAGE.