In the context of managerial selection, two types of work samples are used. In group exercises, participants are placed in a situation in which the successful completion of a task requires interaction among the participants. In individual exercises, participants complete a task independently. Both individual and group exercises can be specified further along several continua (Callinan & Robertson, 2000): (1) bandwidth (the extent to which the entire job domain is part of the work sample), (2) fidelity (the extent to winch the work sample mirrors actual job conditions),