Group Lifecycle Dichotomy -Structure Dynamics Open Triad 10 losed jad Long-term · Long-tem Short-term · Short-term 10 10 10 #Open triad( setting up) #Closed triad( setting up) (a) Example (b)Open triads (c)Closed triads Long-term Group: Strong dynamics in terms of underlying friendship structure Short-term Group: Less likely to develop friendship over time9 Group Lifecycle Dichotomy – Structure Dynamics Open Triad Closed Triad • Long-term Group: Strong dynamics in terms of underlying friendship structure. • Short-term Group: Less likely to develop friendship over time