Middle school students' perceived ability, cognitive engagement and academic anxiety were the available predictors for their performance.

能力知觉、认知参与、学业焦虑是学业成绩的有效预测因子。

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Robots capable of social engagement help with loneliness as well as cognitive functioning, but the robot itself doesn't have to engage directly—it can serve as an intermediary for human communication.

能够参与社交的机器人可以帮助缓解孤独感并发挥认知功能，但机器人本身并不需要直接参与，它可以作为人类交流的中介。

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In addition to numerous health benefits, frequent engagement in physical activity appears to prolong the decline of cognitive function typically associated with aging.

经常从事身体活动，除了对身体健康有许多好处之外，对减缓大脑认知功能的衰退老化也有良好的作用。

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