NPTEL Social Networks Week 5 Assignment Answers 2025
1. Which of the following is a key factor contributing to spatial segregation in a Schelling model?
- Random movement of individuals
- Preference for neighbours of similar characteristics
- Strong central nodes in tlhe network
- High clustering coefficients in social graphs
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2. In spatial segregation, increasing the tolerance threshold in the Schelling model typically leads to:
- Increased segregation
- Reduced segregation
- No change in segregation patterns
- Complete randomization of the system
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3. The Schelling model of segregation assumes that individuals:
- Move randomly to new locations
- Relocate only when dissatisfied with their neighbors
- Always maximize their number of neighbors
- Form coalitions based on strong preferences
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4. Which of the following best explains why the Schelling model exhibits segregation even with low intolerance levels?
- Random noise in movement
- Positive feedback loops in local preferences
- Network centrality biases
- Global optimization strategies
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5. In structural balance theory, a triad with one positive edge and two negative edges is:
- Balanced
- Unbalanced
- Neutral
- Impossible in theory
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6. What does a negative relationship in structural balance theory typically signify in a graph?
- Cooperation between nodes
- Dislike or rivalry between nodes
- A lack of a connection
- A mediator between two balanced nodes
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7. The structural balance theorem states that a graph is balanced if it can be split into:
- Two subgraphs with only positive edges within each subgraph and only negative edges between them
- A single graph with all positive edges
- Multiple subgraphs with both positive and negative edges
- A graph with equal positive and negative edges
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8. Which of the following triads is unbalanced according to structural balance theory?
- All positive edges
- One positive edge and two negative edges
- Two positive edges and one negative edge
- All negative edges
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9. To characterize the balance of a structural graph, one commonly evaluates:
- Degree centrality of nodes
- The ratio of balanced to unbalanced triads
- The number of connected components
- Clustering coefficients of all nodes
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10. In coalition formation theory, which of the following is most important for stable coalitions in a network?
- The clustering coefficient of the graph
- The balance between positive and negative relationships within the coalition
- The degree centrality of individual members
- The total number of triads in the network
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