Maslow says that the layers overlap and that one does not need 100% of a lower level before one starts reaching for higher layer.<p><a href="http:&#x2F;&#x2F;psychclassics.yorku.ca&#x2F;Maslow&#x2F;motivation.htm" rel="nofollow">http:&#x2F;&#x2F;psychclassics.yorku.ca&#x2F;Maslow&#x2F;motivation.htm</a><p><i>Degree of relative satisfaction. -- So far, our theoretical discussion may have given the impression that these five sets of needs are somehow in a step-wise, all-or-none relationships to each other. We have spoken in such terms as the following: &quot;If one need is satisfied, then another emerges.&quot; This statement might give the false impression that a need must be satisfied 100 per cent before the next need emerges. In actual fact, most members of our society who are normal, are partially satisfied in all their basic needs and partially unsatisfied in all their basic needs at the same time.</i>