research method; investigative approach; survey method
Refers to a systematic way of conducting research, investigation, or surveys. Used in academic, scientific, and professional contexts.
This research method is often used in sociology.
We collected a lot of data to develop a new investigative approach.
調査方法 is a more common and slightly less formal synonym for 'survey method' or 'investigation method'.
Compound of 調査 (chōsa, 'investigation') and 法 (hō, 'method').