Interdisciplinary research provides new insight beyond a singular epistemological and methodological framework. Such collaboration can help increase readership outside a narrow disciplinary angle. Likewise, working with scholars outside one's field can help address new questions using a multidimensional approach. However, working within an…

Through a single-case study design, the research study described in this article examined one rural Canadian school division's use of teacher-directed collaborative action research as a mediating tool for teacher learning within a professional development (PD) initiative known as the Numeracy Cohort. The PD initiative brought together a dozen K-12…