In another experiment, the researchers conducted lab tests on 76 college students, ages 18 to 21, to assess how social interactions and intellectual exercises affected the results of memory and mental performance tests.

• 研究人员另外对76名年龄在18岁至21岁间的大学生进行了一项实验室测试，以了解社会交往与智力训练是如何影响他们的记忆效果及智力测试结果的。