Principles > Association principle
<img class="alignleft" title="calculator" src="../wp-content/uploads/2010/09/calc.jpg" alt="" width="426" height="364"/> Any answer to the question posed in the title of this post will inevitably be loaded with presumptions, bias, personality preference, anecdotal or confused sources of evidence, guesses with no actual experience, irrelevant criteria and many other things that lead it to give an impossible or misleading real answer.