“…The GPA score is also a reliable true score indicator as it is based on the mean of all the grades contributing to a student's degree. Moreover, the GPA predicts future university achievement (Richardson, Abraham, & Bond, 2012), job performance (Roth, BeVier, Switzer III, & Schippmann, 1996), salary (Roth & Clarke, 1998), and other key life outcomes such as socioeconomic status, and subjective well-being (Fischbach, Baudson, Preckel, Martin, & Brunner, 2013). Studies examining factors that underpin GPA are needed in order to understand the reasons for such individual differences, and in the next step, preventing drop-out.…”