The researchers used a psychological assessment tool to test the validity of the study.

研究人员使用心理评估工具来测试研究的有效性。

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Psychological and emotional triggers are a valuable tool in influencing visitors to take the actions you want them to take.

心理和情感激发是鼓励用户付诸行动一个的宝贵工具。

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And they wanted applicants with the emotional and psychological makeup to treat money abstractly so they could focus on how to use it as a tool to make tons more.

他们希望应聘者在情绪上和心理上都能运用这种思维对待金钱，这样才能赚很多钱。

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It is not just about humanitarian aid for the needy, but also as a very powerful political and psychological tool.

CNN: Christiane Amanpour: Aid as a psychological tool

Aimee was pursuing her master's degree in psychology, with a focus on eco-psychology -- the idea that harmonizing with nature can be a powerful tool in ensuring one's psychological health and vitality.

CNN: STORY HIGHLIGHTS

The e-learning programme is founded on the basic and practical principle that the use of the internet as a learning tool not only creates anonymity and thus dismantles the psychological barriers that prevent illiterate adults from resuming their studies but also enables them to balance their work, family and learning commitments by learning at home at whatever time is suitable to them.

UNESCO: Ich will lernen (I want to learn)