Experimental study of productive collaboration / by Maria C. BosThe effects of interactions in homogeneous dyads on the development of individual strategies / Margot TaalDevelopment of evaluations of same- versus mixed-age peer-dyads in a task situation / Margot TaalThe effect of leader's sex on group performance and on leadership behavior under varying group compositions / Pieter Johannes VerkerkComparison-based reactions to group performance outcomes / Jaap Willem OuwerkerkCommunication and performance in teams / Peter Christian RaskerCommunication and performance in teams / Peter Christian RaskerTeams under threat : uncovering and overcoming rigidity effects / Willem KamphuisExperimental study of productive collaboration / by Maria C. BosVerschillen in groepsprestaties in de Nederlandse zeevisserij / René van der VlistThe effect of the leader's ability and interpersonal attitudes on group creativity under varying conditions of stress / Willem MeuweseGroup structure motivation and group performance / by Mauk Mulder