01136nas a2200205   4500000000100000008004100001260007600042653001200118653001200130653002100142653002500163100002600188700002600214245009300240300001200333490000600345520055100351022001400902020001400916       1997                            d  c07/1997bSociedad Española para el Estudio de la Ansiedad y el Estrés10aAnxiety10ahistory10abehavior therapy10aCognitive psychology1 aFrancisco Tortosa Gil1 aLuís Mayor Martínez00aHistorical evolution of the anxiety reduction techniques: From behaviorsm to cognitivism  a135-1540 v33 aAfter considering the emergence and development conditions of the behavior therapy, the authors center their analysis in what supposed the introduction of the cognitive positions concerning the theoretical and methodological unification possibility of the psychology. Front to the ideal of the unity of the psychology, that is questionned, is verified, by the contrary, the theoretical fragmentation and the consequent methodological and technical diversity. These aspects are carried to the concrete field of the techniques of anxiety reduction.  a1134-7937  a2174-0437