For a criticism of Psychology from a giant in the quantitative approach try: Meehl, Paul E. 1990. "Why summaries of research on psychological theories are ofte

For a criticism of Psychology from a giant in the quantitative approach try: Meehl, Paul E. 1990. "Why summaries of research on psychological theories are often uninterpretable." Psychological Reports 66:195-244. He gives a very detailed discussion of several factors that combine to make most psychology research (in his opinion) worthless. His takeaway quote: I think that for most faculty in soft psychology the full acceptance of my line of thought would involve a painful realization that one has achieved some notoriety, tenure, economic security and the like by engaging, to speak bluntly, in a bunch of nothing.