Social Networks and Communication Patterns Quiz

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Questions and Answers

What does Figure 1.10 depict?

  • The decline in popularity of MySpace (correct)
  • The introduction of a new social networking site
  • The adoption of two popular social media sites
  • The persistence of established practices over time

Based on the text, why do people become more likely to adopt a new technology as they see more people using it?

  • Due to the decline of established practices
  • To challenge the dominance of newer competitors
  • Based on the direct benefits of adopting the technology
  • Because they are influenced by the behavior of others (correct)

What is one reason for the cascading adoption of new technologies or services mentioned in the text?

  • The challenge from established practices
  • The informational effects of seeing others adopt the technology (correct)
  • The rapid decline in popularity of the new technology
  • The decrease in individual incentives

What can cause the fading of established practices over time?

<p>Challenges from newer competitors (D)</p>
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Which factor can contribute to a new practice becoming popular, according to the text?

<p>The direct benefits of adopting the practice (B)</p>
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In the context of Figure 1.10, what led to MySpace's declining popularity?

<p>The emergence of newer competitors like Facebook (D)</p>
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What do networks in the context of trade and economic activity represent?

<p>A system of communication among buyers and sellers (A)</p>
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How are the links between countries in a network of international trade represented?

<p>By the total amount of trade of each country (B)</p>
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What can be a constraint that limits access between trading participants in markets?

<p>Regulations and institutional restrictions (A)</p>
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How can graph theory and game theory be combined to produce richer models of behavior?

<p>By incorporating economic interactions (C)</p>
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What is the main advantage of a situation where no individual has an incentive to unilaterally change strategy?

<p>Stability in strategies (A)</p>
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Why do some networks form as a result of participants seeking out the best trading partners?

<p>Guided by how highly they value different trading opportunities (A)</p>
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What does the author suggest about strong ties in social networks?

<p>They tend to be embedded in tightly-linked regions of the network. (C)</p>
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In a professional setting, what does the dichotomy of strong and weak ties suggest?

<p>Finding structural holes between parts of the network that interact very little. (C)</p>
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What phenomenon is colloquially known as 'six degrees of separation'?

<p>The ways in which weak ties link distant parts of the world. (C)</p>
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How can weak ties in social networks be beneficial?

<p>By acting as 'short-cuts' linking distant parts of the world. (C)</p>
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What suggests a strategy for navigating through the social landscape of a large organization?

<p>Finding structural holes between parts of the network with little interaction. (B)</p>
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'Latent conflicts are at work' implies what about conflicts within a group?

<p>'Latent conflicts' exist but are not openly expressed or apparent. (A)</p>
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What type of clustering is observed in the blogging network described in the text?

<p>Liberal and conservative clusters (A)</p>
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In evaluating the quality and relevance of web pages, modern search engines like Google consider the prominence of a web page based on:

<p>Subtle aspects of its position in the network (B)</p>
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How do search engines determine the prominence of a web page according to the text?

<p>By considering its position in the network along with link relevance (A)</p>
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Why is a page considered more prominent if it receives links from other prominent pages?

<p>Due to a circular notion where prominence is defined in terms of itself (B)</p>
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What does the text suggest can resolve the circularity involved in defining prominence based on links?

<p>Careful definitions based on network equilibrium (D)</p>
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The interaction between search engines and web page authors is an example of a system where 'connectedness' produces interesting effects at what level?

<p>'Connectedness' at the level of behavior (A)</p>
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What does the text suggest about the behavior of individuals in crowded restaurants?

<p>Individuals in crowded restaurants may imitate others' choices due to a lack of genuine information. (A)</p>
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In what scenario can information cascades occur according to the text?

<p>When rational individuals choose to abandon their private information and follow a crowd. (D)</p>
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Why might individuals imitate the behavior of others according to the text?

<p>When there is a direct benefit from aligning behavior with others. (D)</p>
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How do social-networking and media-sharing sites become more valuable according to the text?

<p>By having more people join them. (A)</p>
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What does the text imply about the value of YouTube compared to its competitors?

<p>YouTube's value increases as it becomes the most popular video-sharing site. (B)</p>
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Why might individuals choose to abandon their private information according to the text?

<p>Because they lack genuine information to base their decisions on. (C)</p>
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