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This paper conceives of Hayek's overall project as presenting a theory of sociocognition, explication of which has a two-fold purpose: (1) to locate Hayek within the non-Cartesian tradition of cognitive science, and (2) to show how Hayek's philosophical psychology infuses his social theory.

Mental model convergence occurs as team members interact. By collecting information and observing behaviors through their interactions, team members’ individual mental models evolve into shared mental models. This process requires a cognitive shift in an individual's focal level. Specifically, the individual assigned to the team must shift his or her focus from thinking about the team domain using an individual perspective to thinking about it from a team perspective. Thus, mental model convergence may be the key to understanding how individuals are transformed into team members. This chapter presents a framework describing the mental model convergence process that draws on the extant research on group development and information processing. It also examines temporal aspects of mental model convergence, the role of mental model contents on the convergence process, and the relationship between converged mental models and team functioning. Preliminary evidence supporting the framework and the important role that converged mental models play in high-performing teams is provided. The chapter concludes with a discussion of the implications of this mental model convergence framework for research and practice.

Within the organizational literature, the emphasis on group performance has tended to overshadow issues of group composition and structure. In this chapter we urge group scholars to turn their attention to the topic of hierarchy in organizational groups. We focus on hierarchy as defined by both status and power. We propose that understanding how organizational groups resolve conflicts, make decisions, and ultimately perform, must stem from an understanding of the hierarchical structure in the team. Hierarchy imposes constraints on group interactions and should therefore be more central in our frameworks, theories, and research. We look at three areas that could benefit from bringing a hierarchical perspective to the forefront: (1) Information exchange and discussion biases in group decision making, (2) The study of conflict management and negotiation, and (3) Creativity and effectiveness in diverse teams.

Early efforts in the study of groups had an inherently temporal dimension, notably work on group dynamics and the related study of phases in group problem solving. Not surprisingly, the majority of work linking time to groups has focused on team development. By contrast, work on team performance has tended to take the form Input-Process-Output, in which the passage of time is implied. There is rarely a discussion of how processes might be affected by timing. We suggest ways in which the two literatures might be brought together. We review models of group development and group performance, propose ways in which temporal issues can be integrated into performance models, and conclude by raising questions for future theory and empirical investigation.

Social and task groups need a few high-status members who can be leaders and trend setters, and many more lower-status members who can follow and contribute work without challenging the group's direction (Caporael (1997). Personality and Social Psychology Review, 1, 276–298; Caporael & Baron (1997). In: J. Simpson, & D. Kenrick (Eds), Evolutionary social psychology (pp. 317–343). Hillsdale, NJ: Lawrence Erlbaum; Brewer (1997). In: C. McGarty, & S.A. Haslam (Eds), The message of social psychology: Perspectives on mind in society (pp. 54–62). Malden, MA: Blackwell). When groups come together without a priori status differentiation, a status hierarchy must be implemented; however, if the new members are too homogeneously status seeking, then it is not clear what will result. We argue that hierarchy will develop even in uniformly status-seeking groups, and that the social context and members’ relational characteristics – specifically, the degree to which they are group oriented rather than self-serving – will predict which status seekers succeed in gaining status. We discuss why and how a “status sorting” process will occur to award status to a few members and withhold it from most, and the consequences of this process for those who are sorted downward.

In this chapter, we develop a theoretical model of group splits, culture shifts, and creativity in diverse groups. This model explains how the strength of informational faultlines can elicit a culture shift from a desired to an actual culture of creativity in a team, which then might differentially influence team creativity and group performance. We further argue that subgroup support and team creative efficacy may enhance the interaction of informational faultlines with a desired culture of creativity to facilitate the shift toward an actual culture of creativity. We also discuss future research directions and practical implications for stimulating creative behaviors in organizations.