PPD 225 NOTES WEEK 5
PPD 225 NOTES WEEK 5 PPD 225
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This 3 page Class Notes was uploaded by Isaac Lemus on Friday September 23, 2016. The Class Notes belongs to PPD 225 at University of Southern California taught by Yan Tang in Fall 2016. Since its upload, it has received 8 views. For similar materials see Public Policy and Management in PPD at University of Southern California.
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Date Created: 09/23/16
Notes for 9/20 ● Last Night’s Reading ○ Small Worlds ■ Mark Granovetter submitted The Strength of weak social ties essay in 1972 at harvard ■ Weak ties play a crucial role in our ability to communicate with the outside world. To get new information we have to activate weak ties. Finding jobs is more based on weak connections. ■ Counters Erdos and Renyi version of our universe, where a person’s closest two friends are completely random. ■ Key points ● Synchronized clapping gives insight to self organization ● Fireflies and crickets watts ● Six degrees of separation watts ● Cluster coefficient is determined by how many people you are close within a single group. The closer to one the coefficient is, the stronger and closer the ties are. ● Erdos number concludes that co authorships and connections aren’t random. Clustering is indeed present in social systems. Discovered that clustering does not stop at the boundary of social interaction. ● C elegans neuron structure is very similar to social networking ● Internet, food webs ● Side effect: Small world is gone ● We can be very provincial in choosing our friends, since at least some people will make far reaching connections. Few such links will do the job ● The only thing missing from both models is that some nodes have more connections than others. ○ The Power of Context (Part Two) ● In the late 20th century, Rebecca Wells published a book called “divine Secrets of YaYa Sisterhood’. It wasn’t anything special yet somehow became a bestseller. How? The connection and social interaction of mothers and daughters. Power of networking. ● Created the term of the Power of Context The groups people include themselves and how they influence society and create an epidemic of information. There is a generalization and homogeneous formation of opinions by the groups. ○ Therefore in order to make change or impact society you need to create communities around them and target their mentality. ● The rule of 150; A concept within cognitive processing. The mind can only break things up into 6 or 7 categories before things start to exceed our intellectual capacity. In the same sense we also have a social channel capacity. 150 is the max number of individuals that we can have a general intimate relationship with. Anywhere beyond that, the relationship starts to break up. ● In Class Lecture ○ Social interaction pair nicely with social networking. ■ 6 degrees of separation originated by Harvard University ● Anyone in the world is reachable by 6 steps or less. ● Results, the world is quite connected ○ Now let’s put this into context. Even though there is such things as the 6 degrees of separation there are still a physical aspect to consider. Looking at Saul Steinbergs “View of the World from 9th Avenue”, your connections are based off of the limits of your space, farther worlds seem more vague and less concrete. You are bounded by your environment and your concentration is in your small world. ○ Urban planners have the job of defining what a person’s neighborhood is. ○ Metaphor of cavemen and solarians: ■ Cavemen: Only know and connect with a close knit of people and hardly reach out of that group. ■ Solarian: Know a lot of general things around the world, via technology for example, yet has no immediate connections ■ We want a balance of the two. ○ Connector plays the role of the ego and connects different groups. They are the most important part of a social society. Not everyone is a connector. ○ Weak ties act like bridges. ○ Specific study to show how weak ties can help you find jobs. ■ Strong ties: You get a job sooner, because you're close connections are more likely to be motivated, but the job you’ll get is nothing extraordinary because it comes from a realm you are already familiar with. ■ Weak ties: takes longer because you are relying on far stretching weak connections, but higher pay is more possible because you are given more opportunities. ○ Another experiment involving the apparel industry in new city. They set up three hypothetical situations of how people could shop. ■ Only work and shop with close associates. ■ Those who go with whoever has the best price. ■ Third is a mixture of both ● Most successful. If you only work with close connections, you get loyalty and sincerity but strangers offer the best prices ○ Physical proximity still matters! Businesses and neighborhood need to take into consideration where they are and how their location can affect their immediate connections. ○ All in all, have both strong and weak ties. Notes for 9/22 ● No readings due ● No class discussion ● Class time spent on tournament activity
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