1. Figure 9.1 McGrath’s circumplex model of group tasks
Source: From Donelson R. Forsyth, Group Dynamics, Thomson Wadsworth, London, 2006, p. 14. Modified from Joseph E. McGrath, Groups: Interaction and Performance, Prentice-Hall, Upper Saddle River, NJ, 1984, p. 61

2. Figure 9.2 Relay Assembly Test Room, c. 1929
Source: Courtesy of AT&T Archives and History Center, Warren, NJ

3. Figure 9.3 Men in the Bank Wiring Observation Room, c. 1932
Source: Courtesy of AT&T Archives and History Center, Warren, NJ

4. Figure 9.5 Homans’s model of group formation

5. Figure 9.6 Stages of group development
Source: Based on B.W. Tuckman, ‘Development sequences in small groups’, Psychological Bulletin, vol. 3, no. 6, 1965, pp. 384–99; J.E. Jones, ‘Model of group development’, The 1973 Annual Handbook for Group Facilitators, Pfeiffer/Jossey-Bass, San Francisco, 1973, pp. 127–9; and B.W. Tuckman and M.A.C. Jensen, ‘Stages of small group development revisited’, Group and Organization Studies, vol. 2, no. 4, 1977, pp. 419–27

6. Figure 9.7 Time and place dimensions of team information exchange
Source: From James L. Bowditch and Anthony F. Buono, A Primer on Organizational Behavior, 2001, p Copyright © 2001 John Wiley & Sons, Inc. This material is used by permission of John Wiley & Sons, Inc