1. A systematic method or procedure used to conduct research, gather evidence, or solve problems in academic, scientific, or professional contexts
The detective used advanced investigation techniques to solve the crime.
O detetive utilizou técnicas de investigação avançadas para resolver o crime.
2. A specific approach or methodology employed in scientific research to collect and analyze data
Qualitative and quantitative are two main investigation techniques in social sciences.
Qualitativa e quantitativa são duas principais técnicas de investigação nas ciências sociais.