[Derek] And as technology improved, so did the methods of data collection.

- [Derek] 随着技术的进步，数据收集的方法也在进步。

Then, for the second part of the assignment, we have to choose one method of data collection, and carry out a small-scale study, making appropriate use of the method chosen to gather data from at least five subjects.

然后对这个任务的第二部分是我们必须选择一个数据收集的方法，适当实施一项小规模的研究方法，至少从5个被试中获取数据。