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. 2015 Jun 12;10(6):e0129478. doi: 10.1371/journal.pone.0129478

Fig 2. The link between the Index of Relationship Closeness and IOS.

Fig 2

‘The Index of Relationship Closeness’ is the principal component of five measurements of the closeness of relationships: RCI and SCI [12], We Scale [22], Loving and Liking Scale [13], and PAM Scale [11].