Ruben's scale is used in psychology to measure the level of slowness of a human being. When a person finds difficulties understanding or doing things the right way he is evaluated on Ruben's scale depending on how slow he is acting and according to stated average.
He is not getting it even after one hour of explanations. He scores 7.0 on Ruben's Scale.
A school where there needs to be a new principle that acucally give a shit about all of the studrnts, and teachers; mostly students; and when I mean students, I dont mean the scumbags who get high and dont give a shit; I mean the ones who accucaly will have a sucessful career in the future.