Social networks that are missing relations among some of their members--termed incomplete networks--have been of critical theoretical and empirical interest in sociological research on weak ties and structural holes but typically have been overlooked in social psychological studies of network learning. Five studies tested for schematic processing differences in the encoding and recalling of incomplete networks. In Studies 1 and 2, prior knowledge of missing relations facilitated learning an unfamiliar, incomplete network. Study 3 ruled out differences in general pattern recognition ability as an explanation. Study 4 manipulated the degree of familiarity with missing relations, which produced predicted differences in learning rates. Finally, Study 5 examined how improved learning of an incomplete network affected a strategic organizational choice. The findings suggest that people can become schematic for complex, incomplete social networks.

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Planning is often central to effective coordination and task performance in work groups. Although planning pertains to efforts aimed at establishing objectives, generating subtasks, and creating role or task assignments, it also encompasses discussions about time and temporal issues. This article highlights the importance of temporal planning in groups, especially as it relates to effective coordination and task performance. Specifically, the results of a survey study of 48 self-managing project groups revealed that higher levels of initial temporal planning contributed to the formation of group norms that emphasize awareness of and attention to time. These time awareness norms were found to mediate the effect of temporal planning on coordination and task performance.

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