Meaning and Usage
"調査" (ちょうさ) primarily means "investigation" or "survey." It is used in contexts where someone is examining facts, gathering data, or researching a topic systematically. This word is common in both formal and informal settings, such as business, police work, academic research, and market analysis.
Common Collocations
- 調査する: to investigate or survey
- 調査結果: investigation or survey results
- 詳しく調査する: to investigate in detail
- 市場調査: market research
Usage Notes
When using "調査," the focus is on the process of collecting and analyzing information. It often implies a thorough or official examination. Be careful not to confuse "調査" with "研究" (research), which is more academic and theoretical. "調査" is more practical and fact-finding.
Register and Politeness
"調査" is a neutral to formal noun and is appropriate in business, academic, and official contexts. It is not casual and rarely used in everyday casual conversation without context.
Common Mistake
Learners sometimes confuse "調査" with "検査" (inspection, examination). "検査" often refers to checking or testing something specific (like medical tests), while "調査" is broader and involves gathering information or data.