At about the same time that Rosener's work appeared, Sally Helgesen wrote a book, The Female Advantage, asserting similar observations and further claiming that the behavior of women was not only different from that of men but more effective as well. Similar reports from both research and speculation have become prominent in the literature in the field of education as wells The debate about whether it is individual personality or gender from which leader behavior style arises has been boiling and expanding ever since.