“Initial findings suggest that those students who chose a flexible weighting option not only experienced less stress and anxiety, but improved their outcomes as the majority of students who chose the flexible weighting option also achieved a better grade (a range of 0.2% - 6.% higher) than they would have if they had followed the default weighting scheme.” (p.2)
Brockerhoff-Macdonald, B., Morrison, M., & Manitowabi, S. (2018). Flexible Weighting in Online Distance Education Courses. International Journal of E-Learning & Distance Education, 33(1), 1-14.