A technique for correlating measurable traits with freely observed social behaviors Charles C. Peters OriginalPaper Pages: 209 - 219
The analysis of variance and covariance techniques in relation to the conventional formulas for the standard error of a difference Max D. Engelhart OriginalPaper Pages: 221 - 233
On the variation of the structure of a social group with time N. Rashevsky OriginalPaper Pages: 273 - 277
