Which of the following statements correctly compares the Eta, Beta, and Alpha indices?
1
The Beta index measures path length, the Alpha index measures connectivity, and the Eta index measures node degree.
2
The Eta index measures connectivity, the Alpha index measures efficiency, and the Beta index measures centrality.
3
The Eta index measures path length, the Beta index measures connectivity, and the Alpha index measures path redundancy.
4
The Alpha index measures average path length, the Eta index measures path redundancy, and the Beta index measures node density.