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  3. Teacher burnout and student stress may be linked, according to a University of British Columbia study. The study is the firs

Teacher burnout and student stress may be linked, according to a University of British Columbia study. The study is the firs

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问题     Teacher burnout and student stress may be linked, according to a University of British Columbia study.
    The study is the first of its kind to examine the connection between teacher burnout and students’ Cortisol (皮质醇) levels, which are a biological indicator of stress.
    Researchers collected saliva (唾液) samples from over 400 elementary school children and tested their Cortisol levels. They found that in classrooms in which teachers experienced more burnout, or feelings of emotional exhaustion, students’ Cortisol levels were elevated. Higher Cortisol levels in elementary school children have been linked to learning difficulties as well as mental health problems.
    "This suggests that stress contagion (传染) might be taking place in the classroom among students and their teachers," said Eva Oberle, the study’s lead author and newly appointed assistant professor with the Human Early Learning Partnership (HELP) at UBC’s school of population and public health. "It is unknown what came first—elevated Cortisol or teacher burnout. We consider the connection between student and teacher stress a cyclical problem in the classroom. "
    Oberle said a stressful classroom climate could be a result of inadequate support for teachers, which may impact teachers’ ability to effectively manage their students. A poorly managed classroom can contribute to students’ needs not being met and increasing stress. This could be reflected in elevated Cortisol levels in students.
    Alternatively, stress could originate from students, who may be more challenging to teach because of increases in anxiety, behavioral problems, or special needs. In this scenario, teachers could feel overwhelmed and report higher levels of burnout.
    "Our study is a reminder of the systemic issues facing teachers and educators as classroom sizes increase and supports for teachers are cut," said Oberle.
    "It is clear from a number of recent research studies that teaching is one of the most stressful professions, and that teachers need adequate resources and support in their jobs in order to battle burnout and alleviate stress in the classroom," said UBC education professor Kimberly Schonert-Reichl, the study’s co-author and director of HELP. "If we do not support teachers, we risk the collateral damage of students."
According to Eva Oberle, increased cortisol and teacher tiredness occurred_________.
选项 A、by chance
B、at the same time
C、in a known sequence
D、in cycles
答案D
解析 推理判断题。定位句提到，伊娃．奥伯利认为，尚不清楚谁先发生——升高的皮质醇还是教师的职业倦怠，学生和教师压力之间的关系是发生在教室里的一个循环问题。由此可推出，升高的皮质醇和教师的职业倦怠是循环发生的，故答案为D)，同时排除C)“按已知的顺序”。A)“偶然地”，原文并未提及，故排除；B)“同时”，定位句提到尚不清楚这两者哪一个先发生，这表明升高的皮质醇和教师职业倦怠的发生是有先有后的，并不是同时发生，故排除。
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