Feb. 03, 2017: The paper is available on Scientific Report site and at http://www.cs.rpi.edu/~szymansk/papers/srep41750.pdf. The authors study the effect of making commitment variable has on the dynamics of the system. Committed nodes are assigned a commitment strength, w, defining their willingness to lose (in waning), gain (for increasing) or both (in variable) commitment to an opinion. (more)