Cognitive scientists, in particular, have also weighed in. Martin Seligman, a prominent academic in positive psychology, wrote that:Seligman, Martin, Authentic Happiness (The Free Press, Simon & Schuster, 2002), pp. 64–65.Adolf Grünbaum argues in Validation in the Clinical Theory of Psychoanalysis (1993) that psychoanalytic based theories are falsifiable, but that the causal claims of psychoanalysis are unsupported by the available clinical evidence.Grünbaum, Adolf. 1993. Validation in the Clinical Theory of Psychoanalysis: A Study in the Philosophy of Psychoanalysis. Madison, CT: International Universities Press. . .
