The authors describe a view that our short-, medium-, and long- term behavior, interactions, and relationships--whether planned or spontaneous, purposeful or playful--can be understood in terms of goal-directed systems. An understanding of action theory and research methods used in applied settings is provided. It leads to the conclusion that individual processes are joint processes and the joint construction of lives should be monitored to understand ongoing personal and social involvements.

The unique contribution of this book lies in its bringing together and extending of basic...