Analyze students' overt behavior, such as their written work and journal writing.

分析学生的外在表现行为，比如他们的作文和日记。

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Underlying their overt behavior, however, may be "secret feelings of insecurity, shame, vulnerability and humiliation," Mayo experts wrote.

然而，在他们外表的行为之下，可能是“隐秘的不安全感、羞耻感、脆弱感和耻辱感”，梅奥的专家们写道。

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Some animals were treated for 4 wk with no administration. Overt behavior, body weights, food-intake, hematological and hemato-biochemical parameters, organ coefficients, were examined.

给药期和停药恢复期，观察动物的一般情况、体重增长、进食量、血液学指标、血生化指标、脏器系数及病理组织学变化等。

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Studies show that while bullying can manifest as overt bad behavior like physical violence or screaming, more often than not it can be more covert.

CNN: Our unhealthy love of reality TV bullying