Founded on another perspective of evaluation by Thomson and Hoffman in 2003, it is possible for a situation to be encountered, in which the process could not be considered advisable; for instance, in the event of a program being unpredictable, or unsound. This would include it lacking a consistent routine; or the concerned parties unable to reach an agreement regarding the purpose of the program. In addition, an influencer, or manager, refusing to incorporate relevant, important central issues within the evaluation