i try to translate a sentence to English but i don't know whether i am true or not
The goal of this study is to investigate whether or not attention degree of middle school students changes depends on their physical activity.
its true or false?
The goal of this study is to investigate whether or not the attention span of middle school students changes with physical activity.
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The goal of this study is to investigate whether or not the attention span of middle school students changes with physical activity.