1. A method for speech analysis, comprising receiving at a computerized apparatus comprising a processor and memory, a signal of a verbal interaction between speakers; analyzing by the computerized apparatus temporal characteristics of speech of the speakers of the verbal interaction to detect behavioral aspects including: emotional behavior of the speakers, dialog behavior of the speakers and a measure of accent disparity between the accents of the speakers to each other or to a native accent of the verbal interaction language; and deducing quantitative scores for the behavioral aspects of the speakers for a plurality of time intervals; determining a classification for the verbal interaction based on the quantitative scores.