There were 18 frigging participants to the study, for chrissake! You can't get any meaningful statistical data from such a ridiculously small sample!
The methodology may be sound, they may be good students and deserve a good grade, but there are absolutely zero conclusion to draw from this paper except for the fact that it may be valuable to make a larger study.
The methodology may be sound, they may be good students and deserve a good grade, but there are absolutely zero conclusion to draw from this paper except for the fact that it may be valuable to make a larger study.