Social psychologists have always been concerned with two-person interactions and the factors enabling one person to gain dominance. Although social psychology has devised a revolutionary set of techniques to investigate the phenomenon of power, hypotheses are too often ambiguously stated, research programs end in cul-de-sacs, and experiments take on the character of one-shot studies. In an attempt to stimulate new directions in research and to provide cumulative emphasis on the development of scientific theory in the area of power relations, Tedeschi has assembled original and path breaking...