लेखक: Maike Tietjens

Jörn Munzert is Professor of Sports Psychology and Kinesiology at Justus Liebig University in Giessen. He was chairman of the Working Group on Sports Psychology (asp) from 2003 to 2005 and managing editor of the Zeitschrift für Sportpsychologie from 2005 to 2008. Markus Raab is Professor of Sports Psychology at the German Sports University in Cologne and is also a professor at London South Bank University. From 2009 to 2012, he was managing editor of the Zeitschrift für Sportpsychologie. He is Vice-President for Research in the European Federation of Sports Psychology (FEPSAC). Bernd Strauss is Professor of Sports Psychology at the University of Münster. He was Executive Editor of the Zeitschrift für Sportpsychologie from 2001 to 2004 and since 2011 has been Editor-in-Chief of the journal Psychology of Sport and Exercise together with Nikos Ntoumanis (Australia). He served as President of the German Association for Sports Science from 2003 to 2009, and since 2013 has been Chairman of the Working Group on Sports Psychology (asp).