In the current review, we examined teacher leadership research completed since York-Barr and Duke published the seminal review on teacher leadership in 2004. The review was undertaken to examine how teacher leadership is defined, how teacher leaders are prepared, their impact, and those factors that facilitate or inhibit teacher leaders' work. Beyond this, the review considered theories informing teacher leadership, teacher leadership within disciplinary contexts, and the roles of teacher leaders in social justice and equity issues. The most salient findings were (a) teacher leadership, although rarely defined, focused on roles beyond the classroom, supporting the professional learning of peers, influencing policy/decision making, and ultimately targeting student learning; (b) the research is not always theoretically grounded; (c) principals, school structures, and norms are important in empowering or marginalizing teacher leaders; and (d) very little teacher leadership research examines issues of social justice and equity.

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In the early 1970s Constantinople wrote a seminal article that subsequently led to the elaboration of the construct of psychological androgyny. The Bem Sex-Role Inventory is a popular measure of the construct, but the measure remains controversial. We explored construct validity of scores from the measure using confirnatory factor analytic methods on data from 791 subjects. Measurement characteristics of both long and short forms were investigated, in that the short form has paradoxically been shown to generally yield more reliable scores.

This research investigated the impact of teacher questions, question types, and interaction patterns that coincide with high and low levels of constructivist teaching practices. Through both quantitative and qualitative methods the findings revealed that teachers facilitating classrooms with high levels of constructivist teaching practices (HLCTP) were very active as they asked a significantly greater number of questions compared to teachers facilitating classrooms with low levels of constructivists teaching practices (LLCTP). In addition, teachers facilitating with HLCTP used a significantly greater number of open-ended questions when compared with other types of questions (closedended questions and task-oriented questions). Closed-ended questions were found in the HLCTP classrooms as teachers were concerned with focusing students on completing investigations, but open-ended questions were more often found with the aim of promoting student actions attuned to knowledge construction.