The congressional candidate asks for input about the upcoming election campaign. however, every time one of her advisors offers a suggestion that differs from the plan the candidate has in mind, that suggestion is ignored completely. in this instance, it is likely that the group working on the election campaign will experience the effects of:

I believe the answer is: Groupthink
Groupthink refers to a situation where members of a social group decided to confrom into a certain idea in order to feel accepted by the group even though they may have differing opinion.
This form of dysfunctional group often created if a group do not give a chance for individuals with opposing value/point of view as a part of the members.