Figure 4
From: Stability of the personal relationship networks in a longitudinal study of middle school students
The importance of the group for the existence of relationships. The figure represents: (a) percentage of relationships formed between individuals in the same group (S) versus those in different groups (D) relative to the total number of relations that might potentially form in each of the two cases and (b) percentage of relationships between individuals that are in the same group both academic years (S-S), in the same group the first year but different the second (S-D), in a different group the first year and the same group the second (D-S) and different group both years (D-D), referred in each case to the total number of possible relationships.
