Reaction, or perhaps more appropriately overreaction, to the trait approach was so intense during the late 1940s and 1950s that for a time it seemed that both psychologists and sociologists had substituted a strictly situational analysis for the then questionable trait approach. Researchers sought to identify distinctive characteristics of the setting to which the leader’s success could be attribute; they attempted to isolate specific properties of the situation that had relevance for leader behavior and performance (Campbell, Dunnette, Lawler and Weick, 1970, 385-414) The following variables have been postulated as situational determinants of leadership: