Rowan is in a supported employment program for people with intellectual developmental disorders and he has a long history of getting into arguments with peers. He has been counseled repeatedly about this issue but has not seen any reason to change. Recently, however, an argument got physical and Rowan was suspended from the program, which he very much enjoys, for two days. He has now returned and tells his case manager that he is willing to consider that perhaps he should learn how to get along with his peers better, but he's not really sure. Rowan is in which of the following stages of change? a. maintaining changes b. implementing the plan c. developing a plan d. contem?lation