Occasionally I come across a study that has been written up specifically so that non-specialists can comprehend it. Here is one such study, carried out under the auspices of the Canadian Center of Science and Education and published in their journal. It includes work by researchers from the School of Educational Technology, Shenyang Normal University, China, and from the Graduate School of Innovative Life Science and the Faculty of Engineering of the University of Toyama, Japan:
http://ccsenet.org/journal/index.php...File/1793/1702