This report describes efforts to test a model of leadership effectiveness that centers on "macro variables" and "discretionary leadership." Macro variables were represented by the complexity of the environment, context, and structure of a unit. Discretionary leadership was defined as influence over and above that typically…

Sixty-nine Israeli school principals completed questionnaires designed to reveal the factors contributing to the leadership styles they used when initiating curricular changes. The principals fell into three leadership categories: "Initiators," who seek change in accordance with long range policies and goals; "Responders," who…