“…In fact, the phenomenon of GPA inflation may not be the inflation of grades on individual courses but rather issues of disparity in grading practices among different disciplines and student course choice (Johnson, 2003;Mitchell, 1998;Prather, Smith, and Kodras, 1979). Even when no grade inflation exists for individual courses, GPA inflation is possible if students select courses that tend to award higher grades as a result of grading disparities in courses (Prather, Smith, and Kodras, 1979). For this reason, Prather, Smith, and Kodras (1979) suggest that "GPA is a low reliable measure to use in determining how grades are changing" (p. 20).…”