systematic approach in psychology

例句：

1. 1. The research was conducted systematically to ensure accuracy.
   这项研究是系统进行的，以确保准确性。
2. 2. The teacher's approach is systematic and effective in teaching English.
   这位老师的教学方法系统而有效，非常适合教授英语。
3. 3. The project is organized in a systematic manner, with clear goals and deadlines.
   该项目以有序的方式进行组织，目标明确且有明确的截止日期。