For the purposes of this chapter, the heliotropic effect was accepted. The
approach taken below is to allow the assumption that human beings are naturally
inclined toward positiveness, so as to take stock of POS on its own terms. However, to
the extent that one believes some other initial assumption is more appropriate, he or
she will view POS as inherently flawed because it begins from a "mistaken" assumption.
It is beyond the scope and concerns of this chapter to debate the relative merits of one
initial assumption over another, but this issue has been discussed elsewhere