%0 Journal Article %T Perspectives on Groups and Work Teams in the Workplace %A Tziner %A Aharon %A Chernyak-Hai %A Lily %J Revista de Psicolog¨ªa del Trabajo y de las Organizaciones %D 2012 %I Colegio Oficial de Psic¨®logos de Madrid %X the paper reviews changes in the nature and environment of teams, suggesting that why teams change over time and how and why these changes impact team-related outcomes, such as performance, is sorely lacking. below we relate in detail to these points while suggesting a comprehensive model drawing upon tziner¡äs research and publications on work teams and addressing the changes from the social psychology perspective suggested by chernyak-hai. by the end of this work, we derive specific predictions for empirical examination. %K teams %K environment %K performance %K outcomes %K social psychology perspective. %U http://scielo.isciii.es/scielo.php?script=sci_abstract&pid=S1576-59622012000100005&lng=en&nrm=iso&tlng=en