Ken Sheldon, professor of psychological sciences in the College of Arts & Science at the University of Missouri determined that the contract year performance boost is real, but they caution team managers and coaches that it might be followed by a post-contract performance crash -- a two-year pattern they call the "contract year syndrome."
Fuente : http://www.eurekalert.org/pub_releases/2014-01/uom...
Fuente : http://www.eurekalert.org/pub_releases/2014-01/uom...