Purpose Within teacher education, many experienced in-service teachers routinely mentor pre-service teachers during teaching practicums. Notwithstanding the benefits pre-service teachers are meant to experience from these mentor–protégé relationships and experiences, recent research has demonstrated that mentors, too, may experience some (oftentimes unintended) potential benefits. The purpose of this paper is to further investigate such potential benefits within a Canadian secondary school physical education (PE) context. Design/methodology/approach The researchers employed a qualitative case study methodology. The three primary data sources included field observations/notes, journals and interviews. More specifically, over a ten-week period, the researchers made 26 field visits, observing two mentors’ interactions with five protégés before, during, and after PE class instruction; collected the two mentors’ ten journal entries, all made in response to researcher-provided writing prompts; and interviewed the two mentors, both individually and together. Findings The mentor teachers viewed the mentor–protégé relationship/experience as meaningful professional development, recognizing that it approximated a professional learning community. Relatedly, the mentor teachers experienced professional growth with respect to their own teaching identity and teaching practice. Research limitations/implications This research could inform those who structure and/or coordinate mentoring research within teacher education programs so that they might place a more purposeful focus upon the potential and/or idealized outcomes for mentors (as well as for protégés). Given the single case study methodology, this research may lack generalizability to other educational contexts. Originality/value This research adds to the emerging body of research that investigates how mentoring may provide benefits to mentors. More specifically, this research suggests benefits to mentors relate, especially, to their own teaching identity and practice.

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Service robots, e.g. massage robots, have attracted more and more attention in recent years and the most popular study within this field is trajectory tracking. Due to the actual demand for service robots, the solution of trajectory tracking requires fast convergence and high accuracy. In order to solve the above issues, this paper proposed an enhanced Gated recurrent unit (GRU) to deal with trajectory tracking tasks of robot manipulators. The main feature of enhanced GRU is utilizing cell states as well as various gate units to build a novel neural cell. Besides, the presented enhanced GRU resolves the problem of the general neural network model and large memory occupancy. Then the derivations about the computational process of cell state and mixed hidden state of the proposed model have been illustrated. Finally, three trajectory tracking applications, comparison, and visual simulation have verified feasibility as well as the superiority of the enhanced GRU model.

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The socio-politico-cultural context of sexual orientation often influences the attitudes, beliefs, and values produced in a given society. This study employed a qualitative methodology to explore the current attitudes, beliefs, and values of Canadian undergraduate students about sexual orientation. Students in a large human sexuality course at a Canadian university completed open-ended questions on the educational platform Top Hat. The data were analyzed using discourse analysis and four threads of discourse emerged: 1) The Nature of Sexual Orientation, 2) Gender Norms and Bisexuality, 3) Shared Connections, and 4) Foundations of Friendships. These findings contribute to the growing body of knowledge relating to changing attitudes, beliefs, and values about sexual orientation of Canadian university students.