The Science of Couples and Family TherapyJohn and Julie Gottman, world renowned for bringing an evidence base to couples therapy, report here the results of a second empirical revolution in understanding couples and families. This change is not based on their guesswork, but on state of the art science. This book finally completes the old general systems theory of the 1960s, which metaphorically described processes but did not actually research them. A new general systems theory and therapy