最近遇到一道题，说的是新媒体在美国总统大选中的应用，这虽然看上去和营销策划八竿子打不着，但是这又是一个实实在在的营销宣传的真实应用案例，现将题目贴出望大神解答~~~

PROBLEM A:Who Moved the Presidential Candidate'sCheese?Newmedia is rapidly becoming an important part of a presidential candidate's mediastrategy. The use of the new media by most of the candidates had been unprecedentedlyfrequent and overwhelming in 2008 American president election cycle. It is mostbelieved that U.S President Barack Obama, who had massively used new media asone of his campaign strategies, not only won the election, but also drawn theworld's attention and gained himself the reputation as a "Internet President".Requirement 1: Model the effectiveness of the New media for presidentelection. Requirement 2:Verify your model.Requirement 3: Suggestion for the presidential candidate.请问这类问题一般会用到哪类方法？传染病模型？还是logit模型？