Full context:   This model also states that groups adopt these four modes with respect to each of three team functions: production, well-being, and member support. In this sense, groups are seen as "always acting in one of the four modes with respect to each of the three functions, but they are not necessarily engaged in the same mode for all functions, nor are they necessarily engaged in the same mode for a given function on different projects that may be concurrent" (McGrath, 1991, p. 153). The following table illustrates the relationship between modes and functions.