Three factors which may impact upon carrel design are cloistering, social interaction, and territory-related behaviors. Level and manner of seclusion are discussed, and related literature findings are reviewed in this report. Social interaction, both student-to-student and instructor-to-student, are surveyed and the group size factor is carefully reviewed. Shared space adaptation can involve territorial and dominance behaviors. The potential impact of these factors is discussed. Conclusions suggested the need for a variety of customized learning spaces and a program to determine their impact upon learning. (Author)