CMN150V Final Exam well answered rated A+

CMN150V Final ExamHow do social networks evolve? - correct answer The law of the few, 2-step flow model The law of the few - correct answer whenever something evolves, or spreads, somewhere along the way an "exceptional person" found out about the trend and through social connections, energy, enthusiasm, personality, spread of word 2-step flow model - correct answer information flows: media --> influencers --> public Are you able to predict whether someone will be influential in the future? - correct answer NO! Many factors involved Hybrid models - correct answer uniform + random preferential attachment (friends of friends + random) Small world network - correct answer characterized by: - number of triads (closed triangles) - small avg path length (shortest path between all nodes) - high level of clustering Factors predicting influence - correct answer number of followers and past influence Baye's rule and base rate fallacy - correct answer P(viral given influencer) does not equal P(influencer given viral) Ability of anyone to start a cascade depends on what? - correct answer global network structure