01535nas a2200241   4500000000100000008004100001260001800042653002400060653001800084653002800102653001500130653001400145653002400159100002300183700002700206700002000233245008400253856006600337300001200403490000700415520085700422022001401279       2017                            d  cjulbElsevier10aClinical psychology10aPsychotherapy10aPsychological treatment10aExcellence10aExpertise10aDeliberate practice1 aJavier Prado-Abril1 aSergio Sánchez-Reales1 aFelix Inchausti00aSearching for our best version: Expertise and excellence in Clinical Psychology  uhttp://linkinghub.elsevier.com/retrieve/pii/S113479371730026X  a110-1170 v233 aExpertise and excellence in Clinical Psychology are receiving renewed interest in the international scene. How clinical psychologists do their work, depending on which psychological treatments they apply, explains a large amount of the variability in treatment outcomes. Evidence concerning the expertise effects is largely contradictory owing to the absence of an operational consensus definition. The present opinative narrative review attempts to analyze the literature on the topic, proposes a definition and pursues to stimulate the debate among academics and clinicians to consider the expertise as a key variable in treatment effectiveness. The Spanish training model in Clinical Psychology is discussed, aiming to systematize the training and supervision in order to promote excellence in clinical performance throughout the professional cycle.  a1134-7937