Additional Supporting Information may be found in the online version of this article at the publisher's web-site.


Table SI: Actor-receiver matrix of dyadic aggressive behavior for captive Celebes crested macaques (M. nigra) at the Buffalo Zoo (Balasubramaniam, unpublished data).

Table SII: Rank correlation coefficients (Spearman's rho) for each of four different pairs of methods for each of 90 artificial datasets.

Table SIII: Multiple regression analyses using datasets with interaction frequency ranges between one and five (category LOW) in place of those with ranges between one and 10.

Table SIV: Paired t-tests using datasets with interactions between (1-5) as category LOW.

Please note: Wiley Blackwell is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.