Tschannen-Moran, Megan; Gareis, Christopher R. - In: Societies 5 (2015) 2, pp. 256-276
research results have suggested that their impact on student achievement is largely indirect. Leithwood, Patten, and Jantzi … paths identified by Leithwood, Patten, and Jantzi. Finally, we explore possible new directions for future research. …