In 1940, Luckiesh and Frank Moss compared 5th and 6th grade students in well-lit classrooms to students in regular (poorly lit) classrooms, and found significant increases in the scores on the New Stanford Achievement Test were demonstrated by the students in the well-lit classrooms.[https://web.archive.org/web/20120716224145/http://www.coe.uga.edu/sdpl/researchabstracts/visual.html] However, it is entirely likely that the students in the poorly lit classrooms were of lower socioeconomic status and the schools were poorly funded. This may account for the discrepancy, rather than the difference in lighting conditions.