| Aspect | Polygraph Examiner | Polygraph Technician |
|---|
| Credentials | Typically requires certification in polygraphy, often from a recognized certifying body, and sometimes a background in law enforcement or psychology | Usually needs technical training or certification in polygraph equipment operation but less emphasis on certification in polygraphy |
| Work Environment | Conducts lie detection examinations, interacts directly with examinees, often in law enforcement or security settings | Prepares, maintains, and operates polygraph equipment, often working behind the scenes in labs or field settings |
| Employer & Industry Usage | Employed by law enforcement agencies, government, or private firms for lie detection | Employed by polygraph service providers, law enforcement support units, or research institutions |
In summary, Polygraph Examiners focus on conducting lie detection tests and require certification and direct interaction with examinees, while Polygraph Technicians handle the technical aspects of polygraph equipment, supporting the examiners' work.