This study is relatively innovative because it combined several factors such as emotion and age and made a survey on their influence on digit working memory span.

在该研究中，将情绪与年龄因素结合起来考察对数字工作记忆广度的影响，具有一定的创新性。

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Therefore, we adopted digit working memory span as a way of the test on the working memory span based on the hypothesis that emotion and age will influence the span of digit working memory.

在本研究中我们采用数字工作记忆广度来测试工作记忆广度，并假设情绪与年龄因素会对数字工作记忆的广度产生影响。

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