What did Einstein believe regarding human perception? What humans perceive with their senses is not always true. Human perception can be explained through psychoanalysis. Human emotion and behavior are results of what humans perceive. Dream analysis can help explain why humans see things differently.

What two different approaches did the knights of labor and the american federation of labor take in building a union organization? a) the knights of labor accepted only unskilled workers; the american federation of labor accepted only skilled workers. b) the knights of labor accepted skilled and unskilled workers; the american federation of labor accepted only skilled workers.c) the knights of labor refused to accept african american or chinese workers; the american federation of labor accepted all workers.d) the knights of labor accepted workers from a single industry; the american federation of labor accepted workers from several industries.